We can make useful materials out of rubbish 我們可以從垃圾中提取有用的資料
Recycle them so they can be made into useful materials 讓它循環(huán)再造成為有用的物品。
Respectively , and very active communities provide useful material on each ,每種方法都有非常活躍的社區(qū)加以推進(jìn)。
Keep reading - - we re sure you ll find interesting , useful material in our magazines each month 只要您持續(xù)下去,相信您一定可以在每個(gè)月的雜志中,都找到有趣的題材。
If we want to learn more , we can go to net schools , read various books and search for more useful materials 如果我們想學(xué)更多的東西,我們可以上網(wǎng)校,閱讀各種書(shū)籍,搜尋更多有用的材料。