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
My favorite food is pork chops.
我最喜欢的食物是小猪排。
Do now waste them, but use them while they are fresh.
不要浪费了这些，要趁未落伍时善加利用。
First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改进。而且机子较大，尽管价格贵些。