单词：nitric anhydride
[化] 硝酐; 硝酸酐; 五氧化二氮
单词：nitric anhydride 相关文章
This is the VOA Special English Health Report. Scientists have discovered that stored blood loses a life-saving gas. This discovery may explain why a great number of people get sick after receiving stored blood. In recent years, experts have wondere
发表于:2018-12-07 / 阅读(239) / 评论(0)
VOA慢速英语2007年（十一）月
VOA慢速英语2007年（十一）月
SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S
发表于:2019-01-11 / 阅读(390) / 评论(0)
VOA慢速英语2007年（十一）月
VOA慢速英语2007年（十一）月