单词：eka-boron
un. 准硼
[网络] 类硼；定名为类硼
[网络] 类硼；定名为类硼
单词：eka-boron 相关文章
New Report Shares Secrets of Rare Blue Diamonds History The Hope Diamond is one of the worlds most famous jewels. It was in the possession of a series of people: kings, bankers, rich women and thieves, before its arrival 60 years ago at the Smithsoni
发表于:2019-01-03 / 阅读(427) / 评论(0)
2018年VOA慢速英语(八)月
2018年VOA慢速英语(八)月
By Saqib ul-Islam Washington 12 October 2009 Amreeka's stars, pictured on the movie's promotional poster What is it like for a mother and her teenage son to settle in America? And what if they are Palestinian and their arrival coincides with the ons
发表于:2019-02-20 / 阅读(467) / 评论(0)
VOA标准英语2009年(十月)
VOA标准英语2009年(十月)