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。
- Poor health may be a barrier to success. 健康欠佳可能成为取得成功的障碍。
- 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。
- The horse took the barrier easily. 那匹马轻松地越过了障碍。
- 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。
- He have get over the language barrier. 他已克服了语言障碍。
- A large crowd crushed past (the barrier). 大群的人挤过了(障碍物).
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- The crowd linked arms to form a barrier. 群众臂挽著臂组成人墙。
- The envelope's seal was torn open. 信封封缄被撕开了。
- They soon overcame the language barrier. 不久他们便克服了语言上的障碍。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- The ice skater rammed into the barrier. 溜冰者撞到护栏上了。
- There are several enclosures in the envelope. 信封内装有几份附件。
- The lorry shaved the barrier, scraping its side. 那辆卡车掠过路障，刮坏了车身。
- An envelope or wrapper for mail. 封套，信封为邮寄而制的信封或封套
