Belayer
保护者
🗣️ 情景例句
Everyone is goofing around.
人人都在混时间。
The students tumbled over each other as they got off the bus.
学生们下车的时候，由于拥挤一个叠一个的摔倒了。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。