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volatile

adjective
🔊/ˈvɒlətaɪl/
🔊/ˈvɑːlətl/
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  1. (often disapproving) (of a person or their moods人或其情绪) changing easily from one mood to another易变的；无定性的；无常性的
    • a highly volatile personality反复无常的个性
    Extra Examples
    • Edwards was a highly volatile character.爱德华兹的性情喜怒无常。
    • He was a very volatile character when playing.比赛时他是一个非常不稳定的角色。
    • She was a more volatile personality than her sister.跟她姐姐相比，她更没有定性。
    • She was a top model famed for her volatile behaviour.她是一位举止举止举世闻名的顶级模特。
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • remain
    • …
    adverb
    • extremely
    • fairly
    • very
    • …
    See full entry
  2. (of a situation情况) likely to change suddenly; easily becoming dangerous可能急剧波动的；不稳定的；易恶化的 synonym unstable
    • This is a highly volatile situation from which riots might develop.现在局势极不稳定，有可能发展成动乱。
    • Exporting the product was difficult due to a volatile exchange rate.该产品的出口由于汇率波动剧烈而变得困难。
    • a potentially volatile situation有可能发生动荡的局势
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • remain
    • …
    adverb
    • extremely
    • fairly
    • very
    • …
    See full entry
  3. (specialist) (of a substance物质) that changes easily into a gas易挥发的；易发散的
    • Petrol is a volatile substance.汽油是挥发性物质。🔊🔊
    Topics Physics and chemistryc2
    4. Word OriginMiddle English (in the sense ‘creature that flies’, also, as a collective, ‘birds’): from Old French volatil or Latin volatilis, from volare ‘to fly’.