Definition: If something moves from side to side, it moves from left to right and back again repeatedly. Level: B2
钟摆以稳定的节奏左右摆动。
The pendulum swings ___from side to side with a steady rhythm.
老虎在围栏里焦虑地来回踱步。
The tiger paced ___from side to side in its enclosure.
船只在汹涌的海面上左右摇晃。
The ship rocked ___from side to side in the rough sea.
