摆动 bǎidòng to sway
to sway; to swing; to move back and forth; to oscillate
怎么记住“摆动”: 摆 to arrange + 动 move = to sway.
汉字
用法
- To swing or sway back and forth - 钟摆有规律地摆动 (zhōngbǎi yǒu guīlǜ de bǎidòng) the pendulum swings rhythmically.
- A steady oscillating motion - a pendulum, a swinging arm, branches in the wind.