您要查找的是不是：
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- It is difficult to stamp out all the crimes. 很难把所有的犯罪都消除掉。
- The boy itches for a set of the new stamp. 男孩渴望得到一套这种新邮票。
- His face bears the stamp of suffering. 他的脸上有饱经苦难的烙印。
- Help me stamp on that spider, mum. 妈妈，帮我踩死那个蜘蛛。
- My husband is a stamp collector. 我丈夫是个集邮者。
- The mass rally was a total fiasco. 那次群众集会彻底失败。
- He steamed the stamp off the envelope. 他用蒸汽把信封上的邮票揭下来。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He is enamored of stamp collecting. 他迷恋于集邮。
- He is enamoured of stamp collecting. 他迷恋于集邮。
- After harvest we will have a mass of rice. 秋收后，我们将获得大量稻谷。
- I bought the new stamp the day of its issue. 这种新邮票是我在发行当天买到的。
- He glued a stamp onto the envelope. 他把邮票贴在信封上。
- She says she doesn't like children in the mass. 她说从总体上讲她不喜欢孩子。
- She keeps an unused stamp of monkey. 她保存着一枚未曾用过的猴邮票。
- Just stick on a stamp and post it. 贴上邮票发掉就行了。
- Put a stamp on the envelope, will you? 在信封上贴张邮票，好吗？
- Please stamp the code numbers on. 请把代号上或打上。
