身体语言是判断她是否属意于你的一把金钥匙，如果在交谈之间，她有意无意的拍拍你胳膊，碰碰你大腿，这多半表示，一会儿她想深入你更隐秘的部位哦。

Body language is the key to knowing whether or not a woman is into you. If she touches you affectionately on the arm or leg in the midst of conversation, chances are that she'd like to.

youdao

你能把胳膊伸得再直一些吗？

Can you stretch your arms out straighter?

《牛津词典》

匍匐前进时，你要协调双腿、胳膊和呼吸。

You need to coordinate legs, arms, and breathing for the front crawl.

《柯林斯英汉双解大词典》

You need energy to move your arms around and move around mechanical systems, obviously, cars, boats, etcetera.

你需要能量,来移动胳膊和走动,机械系统，汽车，船等等。

麻省理工公开课 - 热力学与动力学课程节选

And what we want to say of course is, look, just like it's still your body, even if you break your arm.

因此我们可以说，即便你摔断了胳膊，你的肉体也还是原来的那个。

耶鲁公开课 - 死亡课程节选