名词
中文翻译：邮寄
同义词：
['mail service', 'mail order', 'courier service']
例句：
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1. Thepost office delivers mail to the doorstep every day.
邮局每天把邮件送到家门口。
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2.He ordered a package by mail and it should arrive in two days.
他通过邮件订购了一个包裹，应该两天后到达。
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3.The courier delivered the package on time despite the heavy rain.
尽管大雨滂沱，邮递员还是准时送达了包裹。