缩写
中文翻译：变数
同义词：
['variation', 'variable']
例句：
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1. The weather forecast shows a 5% chance of rain tomorrow.
天气预报显示明天有5%的下雨概率。
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2. The temperature will vary from 20°C to 25°C throughout the day.
温度将在一天中从20°C到25°C变化。
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3. The success of the project depends on the ability to adapt to changing circumstances.
项目的成功取决于适应不断变化情况的能力。