单词：wet assay
湿分析法,湿试金
单词：wet assay 相关文章
研制先进军用无人机 This is no ordinary drone. It is designed to detect and attack an enemy UAV in mid-air. Shim Hyun-chul, and his team of students are testing this new technology that could one day be used by the South Korean military. Shim
发表于:2019-01-14 / 阅读(37) / 评论(0)
VOA标准英语2016年(一月)
VOA标准英语2016年(一月)
Facebook COO雪莉桑德伯格（Sheryl Sandberg）的丈夫Dave Goldberg（戴夫-高德伯格）于5月3日因意外离世，时隔1个月时间，桑德伯格再次在Facebook上发表文章，表达自己对丈夫的思念。 桑德伯格感慨，过
发表于:2019-02-08 / 阅读(52) / 评论(0)
阅读空间
阅读空间
INNSBRUCK, Austria, Jan. 19 (Xinhua) -- An unexpected aerial bomb from World War II was found at the city center site Thursday, leading to the postponement of the daily medals ceremony at the inaugural Winter Youth Olympic Games (YOG). The aerial bom
发表于:2019-02-08 / 阅读(49) / 评论(0)
英语新闻
英语新闻