Valve gear
[机] 阀动机构
🧩 词语组成解析
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;
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
🗣️ 情景例句
No, no, you were right. I was wrong.
确实不容易 说对了。我错了。
Now after all these years I have fallen head over heels in love.
这么多年后的今天我却为爱而神魂颠倒。
If you let one drop of his blood fall, you will lose all your land and all your money.
要是你让他身上的血流下一滴，你将失去你所有的土地和财产。