Piston valve
[机] 活塞阀
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
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
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
You must be hungry. Shall we get something to eat?
你一定饿了，我们吃点东西好吗？
Shivering in their wet clothes, the teenagers looked on while three men dived repeatedly into the water to locate the dish.
那些孩子们穿着湿衣服哆嗦，看着3个工人轮潜入水中以确定盘子的位置。