Backstepping
n. 逐步退焊法\\nv. 往后退（backstep的ing形式）
🗣️ 情景例句
What time would you like to receive the call?
您想何时叫您？
Stop bossing me around!
别管闲事！
Oddly shaped forms that are suspended form the ceiling and move in response to a gust of wind are quite familiar to everybody.
人们所熟悉的是悬挂在天花板上、造型奇特、随风飘荡的雕塑品。