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
Of course.
当然。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
It's eight thirty-five.
八点三十五。