名词
中文翻译：变量
同义词：
['variation', 'variational例句：1. The temperature varies greatlythroughout the day.（温度在整个一天内变化很大。）']
例句：
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1. The temperature varies greatlythroughout the day.
温度在整个一天内变化很大。
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2. The amount of sugar in the recipeis a variable factor.
食谱中糖的量是一个可变因素。
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3. Theweather forecast predicts thatthe temperature will vary by theweekend.
天气预报预测周末气温将有较大波动。