Backstepping
n. 逐步退焊法\\nv. 往后退（backstep的ing形式）
🗣️ 情景例句
I think it's about time we got going.
我想差不多是告辞的时候了。
Depend on others and you always repent.
依靠别人总要后悔。
He always took off his shoes and threw them on the floor.
他总是脱下鞋子，把它们丢在地板上。