名詞 crutch:

1. a wooden or metal staff that fits under the armpit and reaches to the ground; used by disabled person while walking
2. anything that serves as an expedient

1. What does your inside leg (ie from the crutch to the inner side of the foot) measure?
   你的腿從內(nèi)側(cè)量有多長?
2. He is lame in one leg and walks with the help of a crutch.
   他的一條腿跛了，走路借助于拐杖。
3. When he broke his leg he had to walk on crutches.
   他摔斷腿后，只好拄著拐杖走路。
4. Religion was her crutch in times of sorrow.
   宗教是她憂傷時(shí)依賴的支柱。

crutch

n.（名詞）
A staff or support used by the physically injured or disabled as an aid in walking, usually designed to fit under the armpit and often used in pairs.
拐杖：身體受傷或致殘者用來輔助其走路用的支架，長度通常到達(dá)腋窩，常成對使用
A forked leg rest on a sidesaddle.
擱腿叉架：一種放在偏座鞍上的叉形支架
A device used for assistance or support; a prop:
支撐物：用來輔助站立或支撐的器具；支柱：
例句：
a mnemonic crutch.
助記裝置

The crotch of a person or animal.
兩腿分叉處：人或動(dòng)物的兩腿分叉處
A forked device or part.
分叉裝置，分叉部分
v.tr.（及物動(dòng)詞）
crutched,crutch.ing,crutch.es
To support on or as if on crutches; prop up.
支撐：支在或猶如支在拐杖上；支撐

來源：
Middle English crucche
中古英語 crucche
from Old English crycc
源自 古英語 crycc