elbow

/ˈɛlˌboʊ/

hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped

中文释义：肘；肘部

He injured his elbow while playing tennis and had to rest for a week.

他打网球时伤到了肘部，不得不休息一周。

The doctor advised him to keep his elbow elevated to reduce swelling.

医生建议他抬高肘部以减轻肿胀。