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VERB
擺動；（大小）來回變化
If an object oscillates, it moves repeatedly from one position to another and back again, or keeps getting bigger and smaller.
例句
I checked to see if the needle indicating volume was oscillating.
我查看了那根音量指針是否在擺動。
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VERB
（水平、價值等）波動，浮動
If the level or value of something oscillates between one amount and another, it keeps going up and down between the two amounts.
例句
The share price has oscillated between a five-year high of 157.25p in 1997 and this year's low of 91.5p...
股價一直在1997年創下的5年間最高點157.25便士和今年的最低點91.5便士之間浮動。
Oil markets oscillated on the day's reports from Geneva.
石油市場因當天來自日內瓦的報道出現了起伏。
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VERB
（情緒、態度或行為）搖擺
If you oscillate between two moods, attitudes, or types of behaviour, you keep changing from one to the other and back again.
例句
The president of the Republic oscillated between a certain audacity and a prudent realism.
該共和國總統施政風格時而大膽冒進，時而謹慎務實。