oscillate

verb

/ˈɒsɪleɪt/

/ˈɑːsɪleɪt/

动词形式

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/

[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
[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。
[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

词源early 18th cent.: from Latin oscillat- ‘swung’, from the verb oscillare.