Maybe its happened to you. You think you have a fever. So you pop a thermometer in your mouth and try to breathe through your nose to get an accurate reading. But youre totally stuffed up, so you experience this moment of complete panic because you c

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-second Science, Im Cynthia Graber. This will just take a minute. I still tend to move my fingers almost subconsciously when doing arithmetic. Well, that might be not so strange according to research published in the Ma

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(五)月

A Childs Growing Brain Needs Love as Much as Food 孩子大脑发育既需要食物,也需要关爱 From VOA Learning English, this is the Health Lifestyle report. Fewer babies and very young children are dying today compared to 20 years. 与20年前相

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2016年VOA慢速英语(七)月

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

发表于:2019-01-30 / 阅读(112) / 评论(0) 分类 英语新闻

大学英语College English 高等数学Advanced Mathematics 体育Physical Education 军事理论Military Theory 机械制图Mechanical Graphing 算法语言Algorithmic Language 大学物理College Ph

发表于:2019-02-08 / 阅读(111) / 评论(0) 分类 英文语法词汇