单词:D-40
[=dextran-40]低分子右旋糖酐
单词:D-40 相关文章
Tony Blackburn prepares for his first broadcast on Radio 1 Radio 1, the BBC pop music radio station is celebrating its 40th anniversary this month. Before its launch in 1967, there was no commercial radio , and the existing BBC stations broadcast a
发表于:2019-01-02 / 阅读(102) / 评论(0)
Take Away English
Leaders of China and the European Union exchanged congratulatory messages Wednesday to mark the 40th anniversary of the establishment of bilateral diplomatic ties. Chinese President Xi Jinping and Premier Li Keqiang mentioned the global challenges ov
发表于:2019-02-05 / 阅读(55) / 评论(0)
cctv9英语新闻2015年