单词:boron trichloride
[机] 三氯化硼
单词:boron trichloride 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(101) / 评论(0)
2018年VOA慢速英语(八)月
台湾籍旅美老师今天交给我们的句子是: We'll get up close with prototypes in new categories like 3D printing, robotics, smart home sensors. And wellsome things that don't even have a category yet. 我们会接近各种新科技的原型
发表于:2019-03-05 / 阅读(153) / 评论(0)
留美老师带你每日说英文