humerus

名词 humerus:

1. bone extending from the shoulder to the elbow

hu.mer.us

n.（名词）
【复数】 hu.mer.i[-m…-ro.]
The long bone of the arm or forelimb, extending from the shoulder to the elbow.
肱骨：臂或前肢的长骨，从肩部沿至肘部

来源：
Latin [upper arm]
拉丁语 [上臂]