Retropulsive
a. retropulsion的变形
🗣️ 情景例句
If you can't handle this job by yourself, I'm just a phone call away.
若你不能自己处理这件事的话，就打个电话给我吧。
Whose pen is this?
这是谁的笔？
Did he sleep well?
他睡得好吗？