Derotation
反旋, 退旋
🗣️ 情景例句
Well, he wakes up several times during the night,
噢， 他一夜醒了好几次，
No, I only wrote her one letter this year.
是的，今年我才给她写过一封信。
It cuts a clean cylinder of rock,
这种钻头能切割一段光滑的圆柱形岩石，