Clack valve
止回阀
🧩 词语组成解析
clack
[[klæk]]
v. 噼啪响\\nn. 噼啪响
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
We need a stable political environment in which to develop our economy.
我们需要一个稳定政治环境来发展经济。
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
All my best memories come back clearly to me, some can even make me cry.
所有美好的记忆又在我脑海清晰地浮现了，有些甚至还令我哭泣。