Clappet
[建] 止回阀
🗣️ 情景例句
He spends too much money on his hobbies.
他在爱好方面花了很多钱。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。