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Can Wood Be Stronger Than Steel? Researchers say they have created a new super-material in the laboratory. They say it is stronger, lighter and costs less than steel. 研究人员表示,他们在实验室中造出了一种新的超级材料。他们称
发表于:2018-12-08 / 阅读(34) / 评论(0)
2018年VOA慢速英语(三)月
An ass and an ox,fastened to the same yoke,were draging a waggon.While the ox was pulling with all his might he he broke a horn.The ass swore that he had got no help whatever from his weak companion.Exerting himself in the labour,the ox b
发表于:2019-01-09 / 阅读(111) / 评论(0)
趣味英语