Eustachian valves
[医] 下腔静脉瓣
🧩 词语组成解析
[医] 咽鼓管
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
What kind of things are you looking for?
你想要买什么样的东西？
Rain before seven; fine before eleven.
雨过天晴。
Finally, as a result of the unrest among the Indian population, the leader of South Africa had to give in.
但由于印度居民中的这一场骚乱，最终，南非首脑不得不屈服。