形容词
中文翻译：易变的
同义词：
['unstable', 'unpredictable', 'changeable']
例句：
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1. The weather is volatile and can change rapidly.
天气不稳定，变化迅速。
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2. The oil market is volatile, with prices fluctuating daily.
石油市场不稳定，价格每天波动。
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3. The chemical composition of the substance is volatile, meaning itchanges easily.
该物质的化学组成是易挥发的，意味着它容易改变。