Valves
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
the girl he was in love with in college married someone else.
他大学时代所爱的女孩跟别人结婚了。
Courtesy costs nothing.
谦虚恭敬，不用分文。
Fish love swimming round the rocks and through holes in them.
鱼喜欢绕着岩石和穿石洞游水。