Valve cylinder
[化] 阀筒
🧩 词语组成解析
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
Thanks, Richard.
谢谢 ，Richard。
A ready way to lose friend is to lend him money.
失友都因借钱起。
be nice to people we don't' like, drive carefully, and take the dog for a walk every day.
对不喜欢的人友善一些；小心驾车；每天都要带着狗散步；等等。