单词：putty in plastering
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Lesson 8 A LUMP OF PUTTY 第八课 一块腻子（油灰） Did you ever see a man put in a pane of glass? He first cuts away the hard stuff which holds the old glass in its place. This hard stuff is called putty. Then with some fresh putty he fixes
发表于:2018-12-18 / 阅读(110) / 评论(0)
英国学生科学读本
英国学生科学读本
Animals think much while building their houses. The bird searches for what it can use in building its nest, and in doing this it thinks. The beavers think as they build their dams and their houses. Th
发表于:2018-12-30 / 阅读(148) / 评论(0)
自考英语（一）78讲
自考英语（一）78讲
Lesson21 A piece of slate 第21课 一块石板 Look at your slate, and see what it is made of. It is a very thin, smooth, grey stone. The pencil with which you write upon it is also a piece of soft slate. 小朋友, 看看你自己写字用的石板
发表于:2019-02-13 / 阅读(141) / 评论(0)
英国学生科学读本
英国学生科学读本