单词：boron trifluoride
音标：[ˈbɔ:rɔn ˌtraiˈfluəraid] ；
三氟化硼
词型变化：名词复数形式 : boron trifluorides
单词：boron trifluoride 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(195) / 评论(0)
2018年VOA慢速英语(八)月
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