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IELTS BNC: 15486 COCA: 19205

oscillate

verb
/ˈɒsɪleɪt/
/ˈɑːsɪleɪt/
Verb Forms
present simple I / you / we / they oscillate
/ˈɒsɪleɪt/
/ˈɑːsɪleɪt/
he / she / it oscillates
/ˈɒsɪleɪts/
/ˈɑːsɪleɪts/
past simple oscillated
/ˈɒsɪleɪtɪd/
/ˈɑːsɪleɪtɪd/
past participle oscillated
/ˈɒsɪleɪtɪd/
/ˈɑːsɪleɪtɪd/
-ing form oscillating
/ˈɒsɪleɪtɪŋ/
/ˈɑːsɪleɪtɪŋ/
jump to other results
  1. [intransitive] oscillate (between A and B) (formal) to keep changing from one extreme of feeling or behaviour to another, and back again（情感或行为）摇摆，波动，变化 synonym swing
    • Her moods oscillated between depression and elation.她的情绪时而抑郁，时而亢奋。
    • her wildly oscillating moods她反复无常的情绪
  2. [intransitive] (physics物理) to keep moving from one position to another and back again振动；摆动
    • Watch how the needle on the dial oscillates.仔细看仪表盘上的指针如何摆动。
  3. [intransitive] (physics物理) (of an electric current, radio waves, etc.电流、无线电波等) to change in strength or direction at regular intervals振荡；波动
    • The current oscillates between magnetic poles.电流在磁极间波动。
    Topics Physics and chemistryc2
    4. Word Originearly 18th cent.: from Latin oscillat- ‘swung’, from the verb oscillare.

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