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oscillation

noun
/ˌɒsɪˈleɪʃn/
/ˌɑːsɪˈleɪʃn/
(formal)
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  1. [uncountable, singular] a regular movement between one position and another or between one amount and another摆动;摇摆;振动
    • the oscillation of the compass needle罗盘指针的摆动
    • oscillation between A and B the economy’s continual oscillation between growth and recession经济增长与衰退之间的持续波动
  2. [countable] a single movement from one position to another of something that is oscillating一次波动;浮动;振幅
    • oscillation (of something) (against something) the oscillations of the pound against foreign currency英镑兑外币汇价的波动
    • oscillation between A and B the natural oscillations between quantum states in atoms原子中量子态之间的自然振荡
  3. [uncountable, countable] a repeated change between different feelings, types of behaviour or ideas(情感、行为、思想的)摇摆不定,变化无常,犹豫不定
    • oscillation between A and B his oscillation, as a teenager, between science and art十几岁的他对学文科还是学理科的犹豫不决
    • Her oscillations of mood frustrated him.她的情绪波动使他沮丧。

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