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
about leaving New York, the family, and friends.
对于离开纽约， 家人和朋友。
Sorry. Were you trying to sleep?
对不起。你想睡觉吗？
For lunch I had noodles, salad and later a peach.
午餐我吃了面条、色拉，后来还吃了只桃子。