Scavenging valve
[机] 驱气阀
🧩 词语组成解析
[化] 除气; 除气法; 清除的\\n[医] 清除
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
Robbie, would you bring the dessert plates.
Robbie，你把甜点盘子拿来好吗？
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
Then they arrived just when we wanted them.
这样，他们可以恰好在我们要求的时间到达。