名词中文翻译1
中文翻译：Unknown
同义词：
['mean', 'norm', 'typical', 'common']
例句：
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1.The average salary for a software engineer is $70,000 per year.
软件工程师的平均年薪是7万美元。
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2.The average temperature in winter is 3°C below zero.
冬季的平均温度比零下3摄氏度低。
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3.The average lifespan of a dog is around 10 years.
狗的平均寿命大约是10年。