您要查找的是不是：
- Have you stuck down the back of the envelope? 信封背面开口处贴牢了吗？
- He steamed the stamp off the envelope. 他用蒸汽把信封上的邮票揭下来。
- He glued a stamp onto the envelope. 他把邮票贴在信封上。
- As he picked up the envelope, a key dropped out. 他拣起信封时，一把钥匙掉了出来。
- As she picked up the envelope, a key dropped out. 她拾起信封时，一把钥匙掉了出来。
- Put a stamp on the envelope, will you? 在信封上贴张邮票，好吗？
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- He'll rupture a muscle if he goes on dancing like that! 他要是继续那样跳舞，会跳得皮开肉裂！
- The envelope's seal was torn open. 信封封缄被撕开了。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- There are several enclosures in the envelope. 信封内装有几份附件。
- An envelope or wrapper for mail. 封套，信封为邮寄而制的信封或封套
- rupture envelope 破裂包络线
- A good way to remove a stamp from an envelope is to soak it off. 从信封上取下邮票的一个好办法就是用水把它泡下来。
- I enclose a stamped addressed envelope for your reply. 兹附上贴有邮票并写好地址的回邮信封。
- Mohr's rupture envelope 莫尔破裂包络线
- He ripped off one end of the envelope and pulled out the letter. 他撕开信封的一端，抽出里面的信件。
- Rupture of the parasite may result in anaphylaxis. 寄生虫的碎裂可能导致过敏反应。
- The hole made by such a rupture. 爆裂口这种爆炸形成的洞
