The pendulum swung slowly to and fro.
钟摆在慢慢地来回摆动。
To hang loosely and swing or sway to and fro.
悬荡，垂着摆动松散地悬挂着而且来回摆荡或前后摇摆
To swing back and forth;oscillate.Used of an indicator on a display or an instrument panel.
来回摆荡来回摇摆；振荡。用于显示器上的指示器或仪器的仪表板
The speedometer was rocking between sixty and sixty-five.
里程计在60 与65 之间来回摆动。
Don't move those flower pots back and froth.
你别来回摆弄那几盆花了。
Swinging it to and fro creates a cooling breath of air,
吊床来回摆动带来阵阵凉风，
He caught hold of the eaves and swung dangling about(around, round)
他抓住屋檐悬吊着来回摆动。
A body suspended from a fixed support so that it swings freely back and forth under the influence of gravity, commonly used to regulate various devices, especially clocks.
摆在一固定点悬垂的可在重力影响下自由来回摆动的摆体，通常用于调校钟等各种仪器
Back and forth swung the pendulum.
钟摆来来回回地摆动。
To cause to move back and forth rapidly.
摆动使来回迅速移动
The wind moved the trees gently back and forth.
风吹来,树来回轻摆。
move unsteadily or with a weaving or rolling motion.
摇摆地或迂回地前进。
The Study of Re-entry Module s Wiggle and Anti-rotation Control during the Landing Process;
回收着陆过程返回舱摆动与减旋研究
Swinging down to the lower limb, he jumped,
摇摇摆摆地回到低一点的树枝，他往下跳，
threw off all unpleasant memories.
摆脱所有令人不快的回忆
The great body of the bridge flooring and the suspenders was swayed to and fro
庞大的桥面躯体和吊杆来回地摆动。
the ferryboat went back to her accustomed business,
渡船又回到镇口摆渡去了，
To move back and forth or to and fro, especially rhythmically and rapidly.
摆动，振动迅速并有节奏的来回移动