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(689) / 评论(0) 分类 新概念英语第四册

Worms and Snakes: Animals We Love to Hate 虫子和蛇:动物让我们又爱又恨 Hello and welcome to the VOA Learning English program, Words and Their Stories. 欢迎来到VOA学习词汇频道 They slither. They are slimy. For most people, they a

发表于:2019-01-12 / 阅读(32) / 评论(0) 分类 2015年VOA慢速英语(十一)月

Rikki-tikki-tavi part 3. Oh no, exclaimed Darzee so the snake could hear, my wing is broken and I can't fly. The bird just needed to get the snake away from her eggs. The bird fluttered down the garden path and Nagaina followed closely. Rikki-tikki r

发表于:2019-01-28 / 阅读(34) / 评论(0) 分类 英语博客 A cup of English

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

发表于:2019-02-17 / 阅读(48) / 评论(0) 分类 阅读空间

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

发表于:2019-02-24 / 阅读(83) / 评论(0) 分类 经济学人科技系列