形容词
中文翻译：平均的
同义词：
['common', 'ordinary', 'mediocre']
例句：
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1. The average temperature in winter isaround -10°C.
冬天的平均温度大约是-10°C。
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2. He's an average student who doesn't do well in math.
他是个普通学生，数学成绩不好。
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3. The average income for asoftware engineer is around $70,000 per year.
软件工程师的平均年收入约为7万美元。