Undercrossing
下穿(式立体)交叉
🗣️ 情景例句
I don't know what you are driving at.
我不知道你到底想说什么。
Packing has a close bearing on sales.
包装直接关系到产品的销售。
What's that fly doing in my soup?
我汤里的这只苍蝇在干什么呢？