您要查找的是不是：
- envelope card weighting 包络加权
- 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？
- The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- This card just fits nicely into that envelope. 这张卡片正好能装进那个信封里。
- The coach saved his star player for a trump card. 教练保留他的明星选手，作为他的王牌。
- A reliable car is worth its weight in gold. 靠得住的汽车就是无价之宝。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- Have it charged to my credit card. 把它记在我的信用卡的帐号里。
- 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。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- There are several enclosures in the envelope. 信封内装有几份附件。
- The President swings his weight to get laws passed. 总统运用权力使法律获得通过。
- The police asked him to show his identity card. 警察让他出示身份证。
