英语词汇“certified mail”是什么意思，“certified mail”的读音、用法及例句翻译-烛光网

词汇	certified mail
释义	certified mailn.（名词） Uninsured first-class mail for which proof of delivery is obtained.保证邮件：保证送到但未经保险的一级邮件
随便看	kines kinescope kinescoped kinescopes kinescoping kineses -kineses kinesics kinesiologies kinesiology kinesis -kinesis kinestheses kinesthesia kinesthesias kinesthesis kinetic kinetic kinetic art kinetic energy kineticism kineticisms kinetics kinetic theory kinetin

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