femur

n. 大腿骨, (昆虫的)腿节
【医】 股骨, 股

名词复数:femurs 

fe.mur

n.（名词）
【复数】 fe.murs 或 fem.o.ra [fμm.…r-…]
A bone of the leg situated between the pelvis and knee in human beings. It is the largest and strongest bone in the body.Also called thighbone
股骨：人体中位于骨盆和膝盖之间的一块腿骨，是身体中最大最强壮的骨骼也作 thighbone
A functionally similar bone in the leg or hind limb of a vertebrate animal.
大腿骨：脊椎动物腿上或后肢功能相近的骨骼
The thick, most muscular segment of the insect leg, situated between the trochanter and the tibia.
昆虫的腿节：昆虫腿上长在足上的转节和胫骨之间的粗壮的、最强健有力的部分

来源：
Latin [thigh]
拉丁语 [股骨]