quad
quad — 名詞
1. a baby born from a pregnancy that produces four children at once.
四胞胎之一
同一胎出生的四個嬰兒之一
a baby born from a pregnancy that produces four children at once.
Local news reporters did a story about the quads born at the city hospital.
當地新聞記者報導了在市立醫院出生的那些四胞胎。
collocation: born at the same time / quads
Mayumi's aunt gave birth to quads last spring, and the whole family shares childcare.
Mayumi 的姑姑去年春天生下了四胞胎，全家人一起分擔育兒工作。
Raising quads costs a lot, so the family set up a fund for donations.
養育四胞胎花費很大，所以這家人設立了一個募款基金。
The nurses at the hospital took special care of the quads during their first week.
醫院裡的護理人員在四胞胎出生後的第一週特別細心照料。
David and his wife were shocked when the doctor told them they were expecting quads.
David 和太太聽到醫生說他們懷的是四胞胎時，都非常震驚。
- quadruplet
the full, more formal term; 'quad' is the shortened form
文法句型
quad + verb (plural agreement common)
用法筆記
Almost always used in the plural form quads. The full form quadruplet is more formal.
常見錯誤
2. a square open area with buildings around it, typically found at a school or univ
四方院
校園中四面有建築物的方形廣場
a square open area with buildings around it, typically found at a school or university.
Students gathered on the quad to study and enjoy the warm afternoon sun.
學生們聚集在四方院裡讀書，享受溫暖的午後陽光。
preposition: on the quad
The old college quad has a fountain in the middle and benches around it.
這個老學院的四方院中央有一座噴泉，四周有長椅。
Xiu took a shortcut across the quad on her way to the chemistry building.
Xiu 抄近路穿過四方院，前往化學大樓。
Every spring the university holds the graduation ceremony on the main quad.
每年春天，大學都在主四方院舉行畢業典禮。
The library sits on the north side of the quad, near the main entrance.
圖書館位於四方院的北側，靠近主入口。
- courtyard
a more general term for any open area surrounded by walls or buildings
- quadrangle
the full, more formal word; rarely used in casual speech
文法句型
the + quad
on the + quad
across the + quad
用法筆記
Common in British and American university contexts. The full form quadrangle is very formal and rarely used in everyday speech.
常見錯誤
3. the big muscle covering the thigh area, responsible for straightening the knee j
股四頭肌
大腿前方幫助伸直膝蓋的肌肉
the big muscle covering the thigh area, responsible for straightening the knee joint.
After running up the stairs, Élise could feel her quads burning.
跑上樓梯後，Élise 覺得她的股四頭肌在發熱。
collocation: quads + burn (sensation after exercise)
Strong quads help cyclists push the pedals with more power on steep hills.
強壯的股四頭肌能幫助自行車手在爬坡時更有力地踩踏板。
The physiotherapist showed Mert some stretches to loosen his tight quads.
物理治療師教 Mert 做一些伸展動作來放鬆他緊繃的股四頭肌。
Squats are one of the best exercises for building strong quads.
深蹲是鍛鍊強壯股四頭肌的最佳運動之一。
Yasmin injured her left quad during a football match and rested for two weeks.
Yasmin 在足球比賽中傷了左大腿前側肌肉，休息了兩週。
- quadriceps
the full formal anatomical term
- thigh muscle
a more general term; the quad is just one of several thigh muscles
文法句型
quads + verb
quads + ache / burn / feel tight
用法筆記
The short form quads is far more common in casual and sports contexts than the full term quadriceps. The singular a quad refers to one of the four muscles in the group, or informally to the whole muscle group on one leg.
常見錯誤
quad — 動詞
1. to add spacing material to a row of printed characters so that it reaches the fu
齊行
在排版行中加入空白使其填滿欄寬
to add spacing material to a row of printed characters so that it reaches the full column width.
The old typesetter quadded each line so the newspaper columns looked even.
老排字工人把每一行都齊行處理，讓報紙的欄位看起來整整齊齊。
past tense: quadded
Before computers, printers had to quad short lines by hand using small metal spacers.
在電腦出現以前，印刷工人必須用手動方式用小金屬隔片把短行齊行。
technical register: printers, metal spacers
Noa learned to quad a line of type in her first week at the shop.
Noa 在印刷廠工作的第一週就學會了齊行。
When formatting the newspaper page, the operator quadded the narrow columns carefully.
在排版報紙頁面時，操作員仔細地將狹窄欄位齊行。
文法句型
quad + noun phrase (line / text / column)
用法筆記
Very specialised term from traditional printing. Modern digital typesetting software does this automatically, so the verb is almost only encountered in historical or technical discussions of printing.
quad — 形容詞
1. containing four separate parts or units; equal to four times the usual amount or
四倍
包含四個部分或等於四倍數量
containing four separate parts or units; equal to four times the usual amount or size.
The company announced a quad increase in sales over the past financial year.
該公司宣布過去一個財年的銷售額成長了四倍。
collocation: quad increase
Vinícius ordered a quad espresso to stay awake through the long night shift.
Vinícius 點了一份四倍的濃縮咖啡，好讓自己在漫長的大夜班保持清醒。
The recipe makes a quad batch, so you will have plenty of soup to freeze.
這個食譜做的是四倍份量，所以你會有足夠的湯可以冷凍。
After a quad bypass surgery, Diya's father stayed in the hospital for a week.
接受了四重繞道手術後，Diya 的父親在醫院住了一個星期。
The hotel gave the family a quad room with two double beds and a sofa.
飯店給這家人安排了一間四人房，裡面有兩張雙人床和一張沙發。
文法句型
quad + noun
用法筆記
Used mainly in fixed compounds (quad room, quad espresso, quad bypass, quad increase). It is less common than the synonym quadruple in general writing.
常見錯誤
❌ 'I bought a quad ticket for the concert.' (acceptable but 'quadruple' or 'four-pack' is clearer) — quad as an adjective is limited to certain fixed phrases; for general use, quadruple is preferred.
2. relating to an audio system that uses four separate channels to produce sound fr
四聲道
使用四個獨立聲道播放聲音的音響技術
relating to an audio system that uses four separate channels to produce sound from different directions.
In the 1970s, some music albums were released in quadraphonic sound.
在 1970 年代，有些音樂專輯是以四聲道音效發行的。
collocation: quadraphonic sound
Meera's father still owns a quadraphonic turntable and a collection of vinyl records.
Meera 的父親至今還保留著一台四聲道唱盤和一批黑膠唱片。
The audio museum had a working quadraphonic system with four large speakers.
這間音響博物館裡有一套仍在運作的四聲道系統，配有四隻大型喇叭。
Although quadraphonic technology never became mainstream, it paved the way for modern surround sound.
雖然四聲道技術從未成為市場主流，但它為現代的環繞音效奠定了基礎。
- quadraphonic
the full form of the adjective; more precise in technical writing
文法句型
quadraphonic + noun
用法筆記
Quadraphonic is the full form; quad is used as a shortened prefix in compounds (quad sound, quad system). The technology was mainly marketed in the 1970s and was eventually replaced by digital surround sound formats.