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IELTS BNC: 15486 COCA: 19205

oscillate

Word family
Related topics: Electrical, Electricity
os·cil·late /ˈɒsəleɪt $ ˈɑː-/ verb [intransitiveI]  
1 formalTMOVE/CHANGE POSITION to keep changing between two extreme amounts or limits 〔在数量或限度之间剧烈地〕波动,摇摆,变化
 The stock market is oscillating wildly at the moment.
股票市场现在正急剧波动。
oscillate between
 His income oscillated between £1,500 and £2,000 a month.
他的月收入在1,5002,000英镑之间浮动。
2 formalCHANGE FROM ONE THING TO ANOTHER to keep changing between one feeling or attitude and another 〔情感或态度〕摇摆不定,踌躇
oscillate between
 Her attitude towards me oscillated between friendship and hostility.
她对我的态度时而友好,时而敌对。
3 to move backwards and forwards in a regular way 〔前后有规律地〕来回摆动
 The needle on the dial began to oscillate.
仪表盘上的指针开始来回摆动。
4. technicalTEEHPE if an electric current oscillates, it changes direction very regularly and very frequently 〔电流〕振荡
Examples from the Corpus
From Longman Business Dictionary
oscillateos·cil·late /ˈɒsəleɪtˈɑː-/ verb [intransitiveI]
to move regularly between two limits or states
The trade balance used to oscillate between surplus and deficit.
oscillation noun [countableC, uncountableU]
Origin oscillate
(1700-1800) Latin past participle of oscillare to swing, from oscillum swing
os·cil·late verb
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