Johnson valve
[机] 约翰笙阀
🧩 词语组成解析
johnson
[['dʒɔnsn]]
n. 约翰逊（姓氏）
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
How about $ 140 per case?
每箱140美元怎么样？
He devoted himself completely to his work.
他完全投身于工作。
Here you are.
给你。