Plumbers
n. 管子工, 水暖工( plumber的复数形式 ); [美][口]（防止泄密的）堵漏人员
🗣️ 情景例句
His family is a nuclear family with three generations living together under one roof.
他的家庭是三代同堂住在同一屋檐下。
Eat at pleasure, drink with measure.
随意吃饭，适度饮酒。
Oh, I'm sorry to hear that.
噢，真遗憾。