Lots of studies suggested limited quantities of alcohol, like one drink a day can benefit your cardiovascular helth. But for the tiny worm C. elegans, dilute b is a valuable f of ease. It actually doubles their lifespan, according to a study in the j

发表于:2018-12-24 / 阅读(48) / 评论(0) 分类 Scientific American(一)月

Which anesthetic will you use, Doctor? 医生,使用什么麻药? Give me 2 capsules (cartridges) of Xylocaine 2% with 1:100,000 epinephrine. 给我抽一支1:100000的肾上腺素,浓度百分之二的赛罗卡因(利多卡因)两支。 I'll giv

发表于:2018-12-27 / 阅读(68) / 评论(0) 分类 口腔临床英语对话

Dam Collapse in Laos Leaves Hundreds Missing A dam built to create electricity has collapsed in Laos. Reports say several people are dead and hundreds are missing. State media reported the collapse Monday night caused a wall of water to flow through

发表于:2019-01-03 / 阅读(25) / 评论(0) 分类 2018年VOA慢速英语(七)月

很多人都说他们学英语的时候最大的障碍就是单词记不住。经常记住了前面的,忘了后面的;要不就是单词字母记错了顺序。有人研究发现,单词的开头和结尾比中间部分更容易被记住。你有这

发表于:2019-01-03 / 阅读(55) / 评论(0) 分类 实用英语

Voice 1 Thank you for joining us for Spotlight, Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 When I moved to a n

发表于:2019-01-19 / 阅读(28) / 评论(0) 分类 环球英语 Spotlight

很多人都说他们学英语的时候最大的障碍就是单词记不住。经常记住了前面的,忘了后面的;要不就是单词字母记错了顺序。 有人研究发现,单词的开头和结尾比中间部分更容易被记住。你有

发表于:2019-02-23 / 阅读(35) / 评论(0) 分类 实用英语