Underdrain
n. 阴沟, 地下沟道, 盲沟, 暗渠
🗣️ 情景例句
They're getting divorced.
他们快要离婚了。
I hope you can have an exciting time on your trip.
我希望你的旅途有个兴奋的时光。
I don't know, he says. It isn't a plane, and it isn't a bike. I think we can say it's a plike.
“我不知道”，他说，“不是飞机，也不是自行车，我想可以把它叫飞车”。