log
log — 名詞
1. a thick length of wood taken from a tree trunk or large branch, often cut short
圓木；木柴
從樹幹切下的厚實木材
a thick length of wood taken from a tree trunk or large branch, often cut short enough to burn inside a fireplace or outdoor fire pit
Mayumi tossed another log onto the fire and watched the sparks rise.
Mayumi 又往火堆裡丟了一根圓木，看著火花往上飄散。
collocation: toss a log onto the fire
The cabin had a pile of split logs stacked against the wall for the winter.
小屋旁有一堆劈好的木柴靠牆堆放，準備冬天使用。
collocation: split logs / a pile of logs
Wren sat on a fallen log near the river and sketched the view across the valley.
Wren 坐在河邊一根倒下的圓木上，畫著對面山谷的景色。
The children dragged a heavy log to the campfire and pushed it into the flames.
孩子們把一根沉重的圓木拖到營火旁，推進火焰裡。
Bao used a chainsaw to cut the fallen tree into logs for the wood stove.
Bao 用電鋸把倒下的樹鋸成一段段的木柴，準備放進柴爐。
文法句型
a log
logs of [wood type]
用法筆記
A log is thicker and chunkier than a branch or a stick. When cut into smaller pieces for burning, it is often called firewood.
常見錯誤
2. a book, document, or data file in which someone enters a careful factual account
日誌；紀錄
記錄事件或活動的書面檔案
a book, document, or data file in which someone enters a careful factual account of events, journeys, communications, or other observations
The captain wrote a daily log of the weather and the distance the ship had travelled.
船長每天撰寫航行日誌，記錄天氣和船隻已航行的距離。
collocation: daily log / ship's log
Kwame kept a log of every phone call he made for the customer service project.
Kwame 為客服專案記錄了每一通電話的內容。
collocation: keep a log
The server saves an error log whenever the system crashes.
當系統當機時，伺服器會儲存一份錯誤紀錄。
Heloísa reviewed the maintenance log to find out when the elevator was last inspected.
Heloísa 查閱了維修紀錄，想確認電梯上一次檢查是什麼時候。
The security guard signed the visitors' log at the front desk every morning.
警衛每天早上都在前台的訪客登記簿上簽名。
文法句型
keep a log
log of [something]
用法筆記
Frequently paired with verbs such as keep, maintain, update, and check. A log is more structured and factual than a journal or diary.
常見錯誤
3. a short informal way of saying logarithm — a value showing how many times a base
對數
對數的簡稱
a short informal way of saying logarithm — a value showing how many times a base number must be multiplied by itself to reach another number
The teacher asked the class to calculate log base two of sixty-four.
老師要求全班計算以二為底、六十四的對數。
grammar pattern: log base [number] of [number]
Gabriel used a graphing calculator to find the natural log of the data points.
Gabriel 用繪圖計算機算出數據點的自然對數。
collocation: natural log (abbreviated ln)
In the exam, students could leave their answers as log values without simplifying further.
考試時學生可以直接用對數值作答，無需進一步化簡。
To solve the equation, first take the log of both sides with the same base.
解這個方程式時，先對兩邊取相同底數的對數。
The spreadsheet uses a built-in function to compute the log of each number in the column.
試算表內建函數會自動計算欄位中每個數字的對數。
- logarithm
the full formal term; interchangeable but more formal
文法句型
log base [number] of [number]
natural log (ln)
用法筆記
Common in spoken math classrooms and informal writing. In formal mathematics papers, the full term logarithm is preferred.
常見錯誤
log — 動詞
1. to fell trees in a forest and remove them for their timber, typically as a comme
伐木
砍伐樹木以取得木材
to fell trees in a forest and remove them for their timber, typically as a commercial operation or to prepare land for other uses
The company has been logging the pine forest for over twenty years without replanting.
該公司在松木林區伐木已超過二十年，從未進行補植。
transitive: log [area]
Christopher spent his summers logging in the forests of northern British Columbia.
Christopher 每年夏天都在卑詩省北部的森林裡伐木。
intransitive: go logging
Strict permits are required before anyone can log on public land near the national park.
任何人要在國家公園附近的公有地上伐木，都必須事先取得嚴格的許可證。
Noa's grandfather logged the pine forest for thirty years before switching to maple syrup production.
Noa 的祖父在松木林區伐木三十年，之後轉而生產楓糖漿。
The government banned logging in protected rainforests to preserve the wildlife.
政府禁止在受保護的雨林中伐木，以維護野生動物棲息地。
文法句型
log [area]
log [trees]
go logging
用法筆記
The intransitive form (to log / to go logging) refers to the occupation or activity in general, not a single tree.
常見錯誤
2. to make an official written or digital note of information, events, or data, esp
記錄；登錄
將資訊正式記錄在檔案中
to make an official written or digital note of information, events, or data, especially as part of a routine process
The nurse logged the patient's temperature every four hours on the chart.
護士每隔四小時在病歷表上記錄一次病人的體溫。
collocation: log data / log information
Each delivery driver must log the time of arrival and departure on the company system.
每位送貨司機都必須在公司系統上登錄到達和離開的時間。
Élise logged all her expenses in a spreadsheet at the end of every month.
Élise 每個月底都會把所有開銷記錄在試算表裡。
The research team logs the position of each whale sighting on a shared map.
研究團隊把每次見到鯨魚的位置記錄在共用地圖上。
Samir logged the serial number of every piece of equipment before the audit began.
Samir 在稽核開始前記錄了每件設備的序號。
文法句型
log [something]
log [something] in/by/on [record]
用法筆記
Often used in professional and technical contexts. The object is typically factual data such as time, quantity, observations, or transactions.
常見錯誤
3. to reach a certain number of miles, kilometres, or hours of travel and note it i
行駛；累計
行駛並記錄特定距離或時間
to reach a certain number of miles, kilometres, or hours of travel and note it in an official record, especially as the pilot of a ship, plane, or vehicle
The cargo ship logged over eight thousand nautical miles during its Atlantic crossing.
這艘貨輪橫渡大西洋的航程累計超過八千海浬。
collocation: log [distance] miles
Liam has logged more than two thousand hours of flying time since getting his licence.
Liam 自取得飛行員執照以來，已累計超過兩千小時的飛行時數。
collocation: log [number] hours
The delivery van logged nearly five hundred kilometres on Monday alone.
這輛送貨車在星期一當天就行駛了近五百公里。
Yuki logged thirty thousand kilometres driving across Canada last summer.
Yuki 去年夏天開車橫越加拿大，累計行駛了三萬公里。
Trainee pilots must log at least forty hours of night flying before the final test.
受訓的飛行員在最終測驗前至少必須累計四十小時的夜航時數。
文法句型
log [distance]
log [number] miles/kilometers/hours
用法筆記
The object is always a quantity of distance or time. The person or vehicle doing the travelling is the grammatical subject.
常見錯誤
log — 縮寫
1. short written form of the word logic, used mainly in course titles and academic
邏輯
邏輯學的縮寫
short written form of the word logic, used mainly in course titles and academic references
Professor Aisha Chen teaches Phil 201: Log, a required course for the philosophy programme.
Aisha Chen 教授開設哲學 201：邏輯，這是哲學系的必修課。
academic abbreviation
The textbook was listed in the syllabus simply as Intro to Log.
課程大綱上只把這本教科書標註為「邏輯入門」。
The department offers both Log and Ethics in the same semester.
系上同一學期開設邏輯和倫理學兩門課。
Students who passed Log last year are now taking Metaphysics.
去年修過邏輯的學生，現在正在上形上學。
The exam timetable lists Log 101 in room 304 on Tuesday morning.
考試時間表上列出邏輯 101 在星期二早上於 304 教室考試。
log — 構詞成分
1. a word-part borrowed from Greek, used in English to form words related to speech
話語；思想
希臘詞根，表示語言、思想或理性
a word-part borrowed from Greek, used in English to form words related to speech, words, ideas, or rational thought — seen in words like dialogue, monologue, and logic
In monologue and catalogue, the suffix -logue comes from the Greek root log-.
在 monologue 和 catalogue 等詞中，字尾 -logue 源自希臘詞根 log-。
appears as -logue or -log in compounds
The root log- appears in English words from dialogue to logarithm.
詞根 log- 出現在 dialogue 到 logarithm 等許多英文詞彙中。
root: log-, -logue, -log
Words ending in -logue often describe a type of spoken exchange or written work.
以 -logue 結尾的詞通常描述某種口頭交流或書面作品。
The combining form -logy shares the same Greek root meaning speech or study.
結合形式 -logy 與 log- 共享同一個希臘詞根，表示言語或學科。
Linguists trace words like prologue back to the same Greek stem logos.
語言學家將 prologue 等詞追溯至相同的希臘詞幹 logos。
用法筆記
This is a Greek-derived combining form, not an independent word. It appears as -logue (British) or -log (American) at the end of compound nouns.
log — 名詞構詞成分
1. a variant spelling of the Greek-derived suffix -logue, used in nouns such as tra
詞尾變體
名詞中 -logue 的美式拼法
a variant spelling of the Greek-derived suffix -logue, used in nouns such as travelogue and ideologue
The form -log appears in American spellings such as catalog and dialog.
詞尾 -log 出現在美式拼法中，例如 catalog 和 dialog。
American spelling: -log; British: -logue
Travelogue is sometimes spelled travelog in American publications.
Travelogue 在美國出版物中有時拼作 travelog。
An ideologue follows a set of beliefs strictly, regardless of opposing views.
Ideologue（意識形態信奉者）會嚴格遵循一套信念，無論反對意見為何。
In American English, catalog uses -log rather than -logue with the same meaning.
在美式英語中，catalog 使用 -log 而非 -logue，意義相同。
Readers may see -log or -logue; both refer to the same Greek word stem.
讀者可能看到 -log 或 -logue；兩者均指同一個希臘詞幹。