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。
- The lark's on the wing, the snail's on the horn. 云雀在空中飞翔，蜗牛伸出触角爬行。
- He glued a stamp onto the envelope. 他把邮票贴在信封上。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- 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？
- A feather, wing, fin, or similar appendage. 羽、翼或鳍状结构羽、翼、鳍或类似的悬着物
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- The car has had a new wing welded on. 这辆汽车焊接了一个新的翼子板。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- The house was enlarged with a new wing. 增建的厢房使房屋扩大了。
- The envelope's seal was torn open. 信封封缄被撕开了。
- The nearside wing was damaged in the collision. 汽车碰撞时左侧的翼子板撞坏了。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- A seagull fluttered down with an injured wing. 一只海鸥拍打着翅膀飞落下来。
- There are several enclosures in the envelope. 信封内装有几份附件。
- The hen tucked her head under her wing. 那母鸡把头缩在翅膀下。
- An envelope or wrapper for mail. 封套，信封为邮寄而制的信封或封套
