Q

Where can you easily put your right hand, but can never put your left hand?
在哪里你可以轻松地把右手放在上面，却不能把你的左手放在上面？

A

You can easily put your right hand on your left elbow, but you never put your left hand there.
你可以轻松地把右手放在左手手肘上，但却不能把左手放在上面。

点睛一笔

elbow作为名词意思是“肘部，弯头”。手肘是指上臂与前臂相接处向外凸起的部分，也称胳膊肘儿。