Clapper valve
瓣阀
🧩 词语组成解析
clapper
[['klæpə]]
n. 拍手者, 铃锤, 钟锤\\n[电] 铃锤
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
Could you please say it again?
你能重复一下吗？
Where there is no good within, no good comes out.
没有内心的美，就没有外在的美。
You are just in time.
你来得正是时候。