Backscour
反向冲刷
🗣️ 情景例句
To ask if there is some mistake.
想问问是否搞错了。
I've arranged my class schedule so I'll have my afternoons free.
我调整了我的课程表，以便下午腾出空来。
CUSTOMS OFFICER: Are these your cases?
这些是你们的箱子吗？