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单词 oscillation
释义 oscillation 1 ENTRIES FOUND: oscillation (noun) oscillation /ˌɑːsəˈleɪʃən/ noun plural oscillations oscillation /ˌɑːsəˈleɪʃən/ noun plural oscillations Learner's definition of OSCILLATION 1  : the act of regularly moving from one position to another and back to the original position摆动 [noncount] the continued oscillation of the fan电扇的不断摆动 [count] the fan's oscillations电扇的摆动 2  somewhat formal : a frequent change from one state, position, or amount to another振荡;波动 [noncount] the continual oscillation [=(more commonly) fluctuation] of stock prices股价的不断振荡 [count] price/temperature oscillations价格/温度的波动 3  somewhat formal : the act of changing from one belief, feeling, etc., to an opposite one摇摆不定;变化无常 — usually + between [noncount] There has been oscillation between optimism and pessimism among voters.投票的人一直在乐观与悲观之间反复。 [count] His friends were alarmed by his oscillations [=(less formally) swings] between hope and despair.他在希望与绝望间徘徊,这让他的朋友们很焦虑。 4  [count] technical : a single movement from one position or state to another摆动 Each oscillation of the pendulum represents one second.钟摆的每次摆动代表一秒。
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