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have + adj + legs
She has long legs.
她有一双长腿。
腿
先理解核心含义，再看它在真实句子里的用法。
腿
leg
She has long legs.
她有一双长腿。
动物用于支撑或在陆地上移动的肢体或附肢
A limb or appendage that an animal uses for support or locomotion on land.
人类的肢体；通常指整个肢体,但技术上仅指膝盖和脚踝之间的部分
a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle
人类从腹股沟延伸至脚踝的下肢
In humans, the lower limb extending from the groin to the ankle.
动物中类似于人腿并用于运动的结构
a structure in animals that is similar to a human leg and used for locomotion
He broke his leg while playing football, so he had to use crutches for a month.
他踢足球时摔断了腿，所以不得不拄了一个月的拐杖。
She stretched her legs after sitting at the desk all morning.
她在桌边坐了一上午后，伸了伸腿。
The little girl sat on the floor with her legs crossed.
小女孩盘腿坐在地板上。
She has long legs.
她有一双长腿。
此处 leg 指家具的支腿。
One leg of the table is broken.
桌子的一条腿断了。
leg 可指一段路程或行程。
We are on the last leg of our journey.
我们正在旅程的最后一段。
Not this
He is standing with one leg.
Use this
He is standing on one leg.
中文'用一条腿站着'中的'用'直译为with，但英语中表示'单腿站立'固定搭配介词on。
Not this
I broke leg.
Use this
I broke my leg.
英语中说到身体部位时通常前加物主代词（如my, your等），不能直接说leg。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
骨折的腿
He suffered a broken leg in the accident.
他在事故中腿部骨折。
桌腿
The table leg is wobbly.
桌腿不稳。
羊腿
We had roast leg of lamb for dinner.
我们晚餐吃了烤羊腿。
腿部空间
There is plenty of leg room in the back seat.
后排座位腿部空间很充足。
一段路程
The last leg of the journey was through the mountains.
旅程的最后一段路是穿山越岭。
祝好运
Break a leg on your performance tonight!
祝你今晚演出成功！
祝好运
Break a leg on your performance tonight!
祝你今晚演出成功！
开某人的玩笑
Don't take him seriously; he's just pulling your leg.
别当真，他只是在开你的玩笑。
毫无根据
Without evidence, his argument doesn't have a leg to stand on.
没有证据，他的论点毫无根据。
她有双腿，她懂得如何运用它们。
She broke her leg while skiing.
她滑雪时摔断了腿。
祝你好运（断条腿）！
Before his performance, his friends told him to break a leg.
演出前，他的朋友祝他好运。
Use leg naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
leg 谐音‘来搁’，想放松就把腿搁起来。
通常用作中性词汇，在医学、日常对话、体育等场景中均有使用。
Words ending in -eg (peg, beg, keg) rhyme with leg (/lɛɡ/). Egg also rhymes though spelled -gg. Led (/lɛd/) and league (/liːɡ/) are lookalikes that sound different: led has a different final consonant /d/ vs /ɡ/, and league has a long vowel /iː/ vs /ɛ/.
Dictionary facts from ECDICT, WIKTIONARY.