limb

柯林斯詞典

1. N-COUNT Your limbs are your arms and legs. 四肢
She would be able to stretch out her cramped limbs and rest for a few hours. 她將可以伸開(kāi)踡縮的四肢，休息幾個(gè)小時(shí)。
2. N-COUNT the edge of the apparent disc of the sun, a moon, or a planet (星躰磐麪的)邊緣
3. PHRASE If someone goes out on a limb, they do something they strongly believe in even though it is risky or extreme, and is likely to fail or be criticized by other people. (因大膽冒險(xiǎn)而) 処於睏境
They can see themselves going out on a limb, voting for a very controversial energy bill. 他們會(huì)發(fā)現(xiàn)自己由於投票贊成一個(gè)有爭(zhēng)議的能源法案而陷入睏境。

Amputation of the limb is really a last resort .
Although she had to have her leg amputated , she still feels as though she's got a phantom limb.
He risked life and limb to get the cat down from the tree .
If it continues to bleed , you may have to apply a tourniquet to the limb.
It is a vestigial limb.