Underdrainage
n. 暗渠排水, 地下排水
🗣️ 情景例句
I'm sick of waiting around like this.
我对这样干等着感到厌烦。
Gossiping and lying go hand in hand.
搬事弄非者，必是撒谎人。
Debbie intends to take short rests every two hours.
黛比计划每两小时休息一下。