这张邮票的 价目 是五美元.This stamp catalog ( ue ) s at five dollars.你是想了解某一种珍稀邮票还是想了解珍稀邮票的整体概念？Do you want to know about a particular rare stamp or rare stamps in general?这张旧邮票的背面没黏性了, 我得用胶把它粘在信封上.This old stamp isn't sticky ...
Two out of every three Britons already own a video recorder.每3个英国人中就有两个已经有了录像机。You did have a tape recorder with you.你确实带了录音机。A recorder is often used in our English class.英语课堂上我们经常使用录音机....