oscillate
🇺🇸
/ˈɑːsɪleɪt/
🇬🇧
/ˈɒsɪleɪt/
to move back and forth between two points or states
Her emotions oscillated between sadness and happiness.
她的情緒在悲傷和快樂之間搖擺。
to move regularly between two places or positions
The pendulum on the clock oscillated back and forth.
鐘上的擺來回擺動。
to change regularly in strength or direction
The signal strength oscillated as we moved further away.
隨著我們越走越遠,信號強度開始波動。