Valves
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
Thanks for your understanding and cooperation.
谢谢你的理解和合作。
Use is a second nature.
习惯成自然。
That's OK. But you mustn't smoke while you're walking around in the bush either. You could start a bush fire.
没关系。但是在丛林里走动时你也千万不要抽烟，会引起火灾的。