Houston's valves
[医] 豪斯顿氏瓣, 直肠横襞
🧩 词语组成解析
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
I ought to do it again.
我应该再做一次。
What were their names?
他们叫什么？