cot
cot — 名詞
1. a bed with raised sides made for an infant or small child, designed to keep them
嬰兒床
有圍欄的嬰兒用小床
a bed with raised sides made for an infant or small child, designed to keep them safely inside during sleep
Sivan has just moved from her cot to a proper bed.
Sivan 最近才從嬰兒床換到正式的兒童床。
moved from cot to a proper bed (growing up)
Ava lowered the side of the cot to lift her sleepy daughter out.
Ava 放下嬰兒床的側欄,抱起睏倦的女兒。
lowered the side of the cot
The hospital cot had clear plastic walls so the nurses could watch the newborn.
醫院的嬰兒床裝有透明的塑膠圍板,方便護理人員觀察新生兒。
Before the baby arrived, they put the wooden cot in a corner of the bedroom.
寶寶出生前,他們在臥室角落裝好了那張木製嬰兒床。
用法筆記
In American English, this type of bed is called a crib rather than a cot. See also the similar 'travel cot' which folds for portability.
常見錯誤
2. a lightweight bed made of a fabric sling stretched across a foldable metal or wo
行軍床
可摺疊收納的輕便床
a lightweight bed made of a fabric sling stretched across a foldable metal or wooden frame, used for camping, in hospitals, or as a spare bed indoors
Vikram unfolded his cot and placed it next to the tent wall.
Vikram 打開行軍床,把它擺在帳篷牆邊。
unfolded his cot (collocation for setting up)
The hospital stored rows of empty cots in the basement for emergencies.
醫院在地下室存放了好幾排空行軍床,以備緊急狀況使用。
rows of empty cots (hospital context)
When unexpected guests arrived, Rania offered them a cot in the study.
臨時有客人來訪時,Rania 在書房裡為他們準備了一張摺疊床。
Each soldier carried a folded cot strapped to the outside of their backpack.
每位士兵的背包外側都綁著一張摺好的行軍床。
Thin canvas cots were arranged in long rows inside the refugee shelter.
簡陋的帆布行軍床在難民收容所內排成長長的一列。
用法筆記
Unlike a camp bed (which often has a solid frame), a cot typically has fabric stretched between the frame rails. This sense is used in both British and American English without variety restriction.
常見錯誤
3. a simple, narrow single bed without much padding, found in places where space is
窄床
宿舍或船艙內使用的狹窄單人床
a simple, narrow single bed without much padding, found in places where space is tight such as a dormitory, ship cabin, or hostel
The student lay on the narrow cot in her dorm room and read a book.
那位學生躺在宿舍狹窄的單人床上看書。
narrow cot in a dorm room
Each ship cabin had two narrow cots fixed to the wall, one above the other.
船上的每間艙房都有兩張固定在牆上的窄床,上下各一張。
cots built into the wall (ship context)
The hostel offered clean sheets and a cot for only ten dollars a night.
那間青年旅館提供乾淨的床單和簡易窄床,一晚只要十美元。
Kasia pulled back the thin blanket on the cot and tried to get comfortable.
Kasia 掀開窄床上薄薄的毯子,試著讓自己躺得舒服些。
- bunk
a bed built into a wall, often stacked; 'bunk' implies a fixed structure, whereas 'cot' may be movable
用法筆記
This sense overlaps with sense 2 (folding bed), but emphasises the narrowness and simplicity of the bed rather than its foldability. More common in British English than American.
cot — 縮寫
1. the shortened form of 'cotangent', a trigonometric function equal to the ratio o
餘切
三角函數中的餘切,tan 的倒數
the shortened form of 'cotangent', a trigonometric function equal to the ratio of the adjacent side to the opposite side in a right-angled triangle, or one divided by the tangent of an angle
To solve for the unknown angle, the student used the equation cot θ = 2.5.
為了求出未知角度,那名學生使用了方程式 cot θ = 2.5。
cot θ = value (trigonometric equation)
The formula for the area of the triangle required finding the value of cot A.
計算該三角形面積的公式需要先求出 cot A 的值。
In a right triangle, the cot of an angle equals adjacent side over opposite side.
在直角三角形中,一個角的 cot 等於鄰邊長除以對邊長。
Ava graphed the function f(x) = cot x from zero to π and noted the asymptotes.
Ava 繪製了 f(x) = cot x 從零到 π 的函數圖形,並標出了漸近線。
- tan
tangent is the reciprocal of cotangent: tan θ = 1 ÷ cot θ
用法筆記
Used only in mathematical and scientific writing. In spoken mathematics, it is read as 'cot' (pronounced /kɒt/) or 'cotangent of angle X'.