Caput femoris
[医] 股骨头
🧩 词语组成解析
n. 头, 首
[医]（拉）股
🗣️ 情景例句
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
The students tumbled over each other as they got off the bus.
学生们下车的时候，由于拥挤一个叠一个的摔倒了。
Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'.
一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。