fluctuation
/flʌkt͡ʃuːˈeɪʃən/ 名词 C2中文： 变动、波动
- A motion like that of waves; a moving in this and that direction; an irregular rising and falling. · the fluctuations of the sea
- A wavering; unsteadiness. · fluctuations of opinion· fluctuations of prices
- In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.
复数 fluctuations
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Through meticulously orchestrated captive breeding programs, these facilities actively safeguard vulnerable species whose natural habitats are imperiled by rampant deforestation and climate fluctuations.
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