Sliding valve
[化] 滑阀
🧩 词语组成解析
a. 滑行的, 变化的\\n[机] 滑动
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
You will never guess.
你绝对猜不到。
I ask him to wait outside.
我要求他等在外面。
I can't believe a word you say.
我才不信你呢！