Collum femoris
[医] 股骨颈
🧩 词语组成解析
颈； 颈状组织
[医]（拉）股
🗣️ 情景例句
What happened?
怎么了？
I have great difficulty in understanding him.
我觉得很难理解他。
The use of pesticides and fertilizers produces cheap grain and vegetables.
使用杀虫剂和化肥生产出廉价的谷物和蔬菜。