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
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
What's the date today?
今天是几号？
A crowd of people gathered round him and a lady rubbed his arm with soap and butter, but George was firmly stuck.
这时在他周围上了许多人，一位女士在乔治胳膊上抹了肥皂，黄油，但乔治的胳膊仍然卡得紧紧的。