os·cil·late
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/ |
- [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 - Her moods oscillated between depression and elation.
她的情绪时而抑郁，时而亢奋。 - her wildly oscillating moods
她的情绪剧烈波动
- Her moods oscillated between depression and elation.
- [intransitive] (physics) 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。
- Watch how the needle on the dial oscillates.
- [intransitive] (physics) (of an electric current, radio waves, etc.) 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。
- The current oscillates between magnetic poles.
Word Originearly 18th cent.: from Latin oscillat- ‘swung’, from the verb oscillare.