单词：desamido-
脱酰氨(基)
单词：desamido- 相关文章
By Paul Sisco Washington 24 April 2008 Still in the development stage, so-called 'smart guns' that fire only in the proper hands are close to becoming a reality. The idea is to keep guns away from children who accidentally fire them. The US National
发表于:2019-01-07 / 阅读(137) / 评论(0)
VOA常速英语2008年（四月）
VOA常速英语2008年（四月）
Full coverage: Chinas Leaders Chinese Premier Li Keqiang and his Ethiopian counterpart, Hailemariam Desalegn, have vowed to strive for new progress in the development of a comprehensive cooperative partnership between the two countries. Chinese Premi
发表于:2019-02-05 / 阅读(269) / 评论(0)
CCTV9英语新闻2014年05月
CCTV9英语新闻2014年05月