Backstepping
n. 逐步退焊法\\nv. 往后退（backstep的ing形式）
🗣️ 情景例句
I'm really impressed by your show.
你的展览让我留下了深刻的印象。
Of course.
当然。
When the bull got close to him, he clumsily stepped aside to let it pass.
观众欢呼起来，醉汉向人们鞠躬致谢。