形容词
中文翻译：可变的
同义词：
['various', 'variable', 'variable-like']
例句：
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1. The weather is variable in this region.
这个地区的天气多变。
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2. The temperature is variable throughout the day.
温度在整个一天中变化无常。
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3. The variable factors in this experiment are difficult to control.
实验中的可变因素难以控制。