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？
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- He rounded the corners of the table. 他把桌角锯圆。
- Her eyes rounded with excitement. 她的眼睛因兴奋而睁得滚圆。
- They rounded off the evening by singing a song. 他们唱了一首歌，圆满结束了这个晚会。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- We rounded the corner at high speed. 我们以高速度绕过拐角。
- The envelope's seal was torn open. 信封封缄被撕开了。
- A creeper was entwined round the pillar. 一根攀缘植物缠绕在柱子上。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- The police rounded up those rogues. 警察逮捕了那些恶棍。
- There are several enclosures in the envelope. 信封内装有几份附件。
- The spacecraft rounded the moon. 太空船环绕月球飞行。
- An envelope or wrapper for mail. 封套，信封为邮寄而制的信封或封套
