If so, you must have put stamps on the letters before you sent them. So how did people receive letters before stamps were invented, and who came up with the idea of using stamps?
如果寄过，那你一定在寄信之前在信封上贴上了邮票。
Additional evidence of food stamps' role in weight gain came when the researchers looked at how people's BMI changed before, during and after they were on food stamps.
另外一个可以证明食物券在体重增加中的作用的证据是研究者分析了人们在使用食物券前，使用期间和使用后的体重变化。
On Chinese stamps it is out of imagination to have something like US brightens the world on the US stamps.
在中国邮票上出现美国邮票上诸如“美国照耀全世界”这样的字眼是不可想像的。
On Sunday I am going to the stamp show. I like collecting stamps. I have got 150 stamps.
周日，我要去看邮票展览。我喜欢集邮。我已经有150张邮票了。
Not only can you look at some of the more unusual stamps issues but there's an interesting exhibit on how stamps are made.
你不仅可以看到一些不同寻常的邮票，而且可以看到介绍邮票是怎样做成的一些展览！
Volume of stamps part, is a highlight, it was collected by China post so far issued on sichuan each world heritage scenic spots all the stamps, sheet, a high value for collection.
册中的邮票部分，更是一大亮点，它收集了中国邮政至今为止发行的有关四川各世界遗产景区的全部邮票、小型张，收藏价值极高。
Then Meredith pasted several stamps on the front of the envelope because she said it would take lots of stamps to get the letter all the way to heaven.
梅瑞迪斯在信封上贴了好多张邮票因为她说这封信要贴好多的邮票才能寄到上帝那里。下午的时候她把信放进了邮局的邮箱。
When sticking stamps, people tear off the wax paper on the stamp-sticking place and then stick and press the stamps.
粘贴邮票时，将贴邮票处上的蜡纸揭掉，粘上邮票压紧即可。
Stamps When we send a letter or a postcard, we have to put stamps on the envelope or on the card.
邮票当我们寄信或寄贺卡时，我们必须在信封或贺卡上贴邮票。
In October 2009, the United Nations Postal Administration issued 18 commemorative stamps in a mini-sheet format of six stamps each on the theme "Indigenous People".
2009年10月，联合国邮政管理处发行共六枚邮票每个小片的主题是“原住民”格式18纪念邮票。
In October 2009, the United Nations Postal Administration issued 18 commemorative stamps in a mini-sheet format of six stamps each on the theme "Indigenous People".
2009年10月，联合国邮政管理处发行共六枚邮票每个小片的主题是“原住民”格式18纪念邮票。
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