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https://online2.tingclass.net/lesson/shi0529/0008/8034/12.mp3

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attachment :n.附加檔
capacity :n.容量
CC (carbon copy) :副件抄送
delete :v.删除
download :v.下载
e-mail :v.寄电子邮件
forward :v.转寄
junk mail :垃圾邮件
mailbox :n.邮件信箱
recipient :n.收件者
reply :n.回复
salutation :n.称谓
subject :n.主旨