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
Thank you for going out with me. I had a very nice time.
谢谢你陪我出来。我过得很愉快。
He that has a great nose thinks everybody is speaking of it.
做贼心虚。
No creature has received more praise and abuse than the common garden snail.
没有一种生物所受到的赞美和厌恶会超过花园里常见的蜗牛了。