Underdrainage
n. 暗渠排水, 地下排水
🗣️ 情景例句
You're right. How do you feel about it?
说对了。你觉得怎么样？
Would you please make my reservation to Chicago for tomorrow?
请帮我预订明天去芝加哥的座位好吗？
It means to shake.
它的意思是“震动”。