要求: ask; demand; require; claim; ...答复: reply recover; return to; re ...的: 4次方是 The fourth power of 2 i ...邮件: mail; post; postal matter要求答复: reply request未答复的: una wered; unacknowledgedunanswered; unanswered无答复的: irresponsive; unre o ive; unresponsive应答复的: answerable接收的邮件: mail in内送的邮件: incoming删除的邮件: deleted items外送的邮件: outgoing地址不详的邮件: blind mail堆积如山的邮件: a mountainous pile of mail尚未了结的邮件: unsettled mail使用新的邮件订阅: stevii: using the new mail subscription已经发送的邮件: sended/delivered mails邮资不足的邮件: under stamped post增强保密的邮件: pem privacy enhanced mail答复信用要求: responding to a request for credit电子计子算机发送的邮件: electronic computer originated mail更改注册的邮件地址: change registered email address基于计算机的邮件系统: cbms computer based mail system收到内含可疑粉末的邮件: receiving a suspicious letter containing powdery substance望便中来取你的邮件: please come for your mail whenever it's convenient