Scientists Will Test New Drugs on Artificial Micro-Organs 科学家将在人工微型器官上测验新药物 Testing new drugs on lab animals is not the same as testing them on the species they are intended for. But in early stages of research, test

发表于:2018-12-08 / 阅读(61) / 评论(0) 分类 VOA标准英语2014年(四月)

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(47) / 评论(0) 分类 2018年NPR美国国家公共电台10月

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 英文名句短语

This is scientific American 60 seconds science. I am, got a minute? Everywhere you go, the trillions of microbs is in you got go to. That is a compllicating sort, because according to a new study a more diverse population of testnal bacteria is links

发表于:2019-01-20 / 阅读(32) / 评论(0) 分类 Scientific American(九)月

STEVE INSKEEP, HOST: Every year, more than 1 million children and adolescents sustain a concussion. The symptoms may vanish in days or last for months. And right now, doctors usually cannot predict how long the recovery will take. That could be chang

发表于:2019-02-13 / 阅读(108) / 评论(0) 分类 2017年NPR美国国家公共电台5月

LONDON, May 9 (Xinhua) -- LOCOG president Seb Coe hailed the London Prepares series a success as the final London 2012 test event - the London Disability Athletics Challenge - concluded, signalling the end of 42 events. In less than 12 months, LOCOG

发表于:2019-02-18 / 阅读(74) / 评论(0) 分类 英语新闻