Allen's fossa
[医] 艾伦氏窝, 股骨颈窝
🧩 词语组成解析
n. 窝, 凹\\n[医] 窝, 凹
🗣️ 情景例句
He has a white-collar job.
他做的是白领工作。
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
But that costs more.
可是那样成本较高。