GbEng
这个信封封得很严实。 The envelope was firmly sealed.
我用了一个邮资已付的信封。 I use a prepaid envelope.
信封内装有几份附件。 There are several enclosures in the envelope.
他用蒸汽把信封上的邮票揭下来。 He steamed the stamp off the envelope.
他拣起信封时,一把钥匙掉了出来。 As he picked up the envelope, a key dropped out.
这张卡片正好能装进那个信封里. This card just fits nicely into that envelope.