snail-mail
英
[s'neɪlm'eɪl]
美
[s'neɪlm'eɪl]
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名词 snail mail:
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any mail that is physically delivered by the postal service
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用作动词 (v.)
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Our letters must have crossed in the mail.
我们的信一定在邮寄途中互相错过了。
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These calculators are sold only by direct mail.
这些计数器通过直接邮寄进行销售。
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