Lesson 20 Snake poison 蛇毒 First listen and then answer the following question. 听录音,然后回答以下问题。 What are the two different ways in which snake poison acts? How it came about that snakes manufactured poison is a mystery. Over

发表于:2018-12-08 / 阅读(692) / 评论(0) 分类 新概念英语第四册

Smartphone App Helps Snakebite Victims Scientists in Denmark have developed a venom test kit to help doctors treat victims of snake bites. The kit was created to be simple and has only two pieces of equipment: a centrifuge and a smartphone. 丹麦科学

发表于:2019-01-03 / 阅读(39) / 评论(0) 分类 2018年VOA慢速英语(二)月

Helper Serum Boosts Effectiveness of Flu Vaccine Vaccines against swine and avian flu can be made more effective by the addition of a helper serum known as an adjuvant. The finding from a new study could let vaccine makers stretch supplies and possib

发表于:2019-01-14 / 阅读(61) / 评论(0) 分类 VOA标准英语2011年(六月)

Scientists Work to Develop Anti-Venom Against All Sub-Saharan Snakes 科学家开发通用抗毒剂对付毒蛇 Thousands of people in sub-Saharan Africa die or are disabled each year due to poisonous snake bites. Scientists in Britain are working to

发表于:2019-01-14 / 阅读(47) / 评论(0) 分类 VOA标准英语2015年(四月)

科学家开发通用抗毒剂对付毒蛇 Thousands of people in sub-Saharan Africa die or are disabled each year due to poisonous snake bites. Scientists in Britain are working to develop a serum that will counteract the venom from all sub-Saharan

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2015年(八月)

科学家研制解毒剂抗撒哈拉以南各种毒蛇 Thousands of people in sub-Saharan Africa die or are disabled each year due to poisonous snake bites. Scientists in Britain are working to develop a serum that will counteract the venom from all

发表于:2019-01-19 / 阅读(38) / 评论(0) 分类 VOA双语新闻 2015年4月