您要查找的是不是：
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- The ( flap of the ) envelope was unstuck. 信封（的封口）没粘住.
- The flap of the envelope had come unstuck. 信封的封口没粘牢张开了。
- I lick the flap of the envelope and sealed it. 我舔了舔信封盖口,把它封好。
- Tuck the flap of the envelope in. 把信封的口盖塞进信封里。
- The(flap of the)envelope was unstuck. 信封(的封口)没粘住.
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- Have you stuck down the back of the envelope? 信封背面开口处贴牢了吗？
- I licked the flap of the envelope and sealed it. 我舔了舔信封盖口,把它封好。
- He steamed the stamp off the envelope. 他用蒸汽把信封上的邮票揭下来。
- The flap of the envelope has come unstuck. 信封的封口脱胶散开了。
- The flap of the envelope needed to be sealed. 信封口需要密封。
- 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。
- A flap from the tail of the whale upset the boat. 鲸尾轻轻一拍便把小船打翻了。
- I got into a real flap when I lost my keys. 我丢了钥匙，心里发慌。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
