Intake valve(for air)
[化] 进气阀; 进气门
🧩 词语组成解析
🗣️ 情景例句
It's certainly a pleasure to meet you.
认识你真是我的荣幸。
How long will it take you to repair it?
你要多久才能修好它？
Being a mother is not easy.
做一个母亲是不容易的。