单词：chlor-apatite
氯磷灰石
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In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾
发表于:2019-02-02 / 阅读(50) / 评论(0)
英语新闻
英语新闻
BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E
发表于:2019-02-05 / 阅读(115) / 评论(0)
英语新闻
英语新闻
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele
发表于:2019-02-08 / 阅读(86) / 评论(0)
VOA标准英语2010年(一月)
VOA标准英语2010年(一月)