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

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)

He was rescued by a group of isolated Indians called the Mats's. 他被一群叫做Matss的与世隔绝的印第安人救了下来。 They beckoned for him to follow them into the forest, which he did. 他们示意他跟随他们进入丛林,他照做

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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

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One has 7mm venomous fangs that can pierce fingernails, others a bite so powerful it can cut a human in half and one a poisonous sting so painful it can lead to a heart attack. 七毫米的毒牙,能将人撕成两半的咬合力,让人疼出心脏

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Science and technology 科学技术 Drug research 药物研究 Toxic medicine 毒类药品 Snake venom is being used to cure, rather than kill 蛇毒用于治病,不是杀伤 THERE are no poisons, only poisonous doses.Thus did Paracelsus, the great

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