Clappet
[建] 止回阀
🗣️ 情景例句
His books exposed people to new ideas.
他的书使人们接触了新思潮。
In the kingdom of blind men the one-eyed man is king.
盲人国里，独眼称王。
She's next door.She's in her office, sir.
她在隔壁，在她的办公室里，先生。