C类有毒液体物质

baneful, ['beinfəl] adj 有害的,致命的=pernicious=noxious=deleterious 【例】a baneful influence 恶劣影响 【反】salubrious(adj 有益健康的)

发表于:2018-12-30 / 阅读(44) / 评论(0) 分类 不择手段背单词

The 52nd annual Grammy Awards will be presented on January 31 in Los Angeles, California. The Zac Brown Band received three Grammy Award nominations, including Best Country Performance by a Duo or Group With Vocals for its 2008 Number One debut singl

发表于:2019-01-13 / 阅读(82) / 评论(0) 分类 VOA标准英语2010年(一月)

LULU GARCIA-NAVARRO, HOST: Last year, hurricanes devastated Puerto Rico, parts of Florida and Houston. Scientists now say there's evidence hurricanes are getting stronger because of climate change. A new study from the National Center for Atmospheric

发表于:2019-01-17 / 阅读(47) / 评论(0) 分类 2018年NPR美国国家公共电台6月

Telling jokes 谈独特玩笑 Have you heard the one 你有没有听过 Groucho Marx liked a good one Groucho Marx喜欢听精彩的 No Joke: Making Jewish Humour.By Ruth Wisse. 不许说笑:犹太式的玩笑 THIS sharp and thoughtful study presen

发表于:2019-01-27 / 阅读(30) / 评论(0) 分类 经济学人文艺系列

7 Elemental Matters 7 基本物质 Chemistry as an earnest and respectable science is often said to date from 1661, when Robert Boyle of Oxford published The Sceptical Chymistthe first work to distinguish between chemists and alchemistsbut it was a s

发表于:2019-01-29 / 阅读(29) / 评论(0) 分类 万物简史

This extra jostling pushes the atoms farther apart, causing the whole substance to slightly increase in size. If the substance cools off, its atoms stop pushing against each other so vigorously. This makes the substance shrink again. This connection

发表于:2019-02-15 / 阅读(45) / 评论(0) 分类 英语时差8,16