1·That is if you put a postage stamp on upside down, you'll go to prison.
也就是说，如果你把邮票倒过来贴，你就会进监狱。
2·That is, if you put a postage stamp on upside down, you'll go to prison.
那就是，如果你把一张邮票上下贴反的话，你就会被关进牢里。
3·Add enough add-on features and you can reduce the viewing window to a size of a postage stamp, but there is probably no better overall browser.
它添加了足量的附加组件，全部打开可以把显示窗口压得只有邮票大小，不过也许真的找不到一款更优秀的全能浏览器了。
4·It was ugly. It had a monochrome screen the size of a postage stamp.
它确实很丑，它仅配备了一块邮票大小的单色显示屏。
5·A human's scent membrane in the nose is about the size of a postage stamp.
人类鼻腔内的嗅膜大小约相当于一张邮票。