[网络] 地产抵押马克；地租马克；土地马克

SSS 2011-12-02

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(65) / 评论(0)

Scientific American(十二)月

NASA's WISE satellite spots "horseshoe" asteroid

LOS ANGELES, April 8 (Xinhua) -- NASA's Wide-field Infrared Survey Explorer (WISE) has discovered a rare asteroid that traces out a horseshoe shape relative to Earth, the Jet Propulsion Laboratory (JPL) said on Friday. Unlike most near-Earth asteroid

发表于:2019-01-11 / 阅读(57) / 评论(0)

英语新闻

VOA慢速英语2014 研究人员表示大多数新生儿的死亡是可以避免的

Researchers Say Most Deaths of Newborns Preventable 研究人员表示大多数新生儿的死亡是可以避免的 From VOA Learning English, this is Science in the News. This week, we report on research that shows most newborn baby deaths could be

发表于:2019-01-12 / 阅读(45) / 评论(0)

2014年VOA慢速英语(六)月

经济学人206:简单的输血

Science and technology 科学技术 Blood simple 简单的输血 A small change in how babies are delivered might abolish infantile anaemia 分娩方式的简单改变可能帮助消灭婴儿贫血 An unkind cut? 争议的一剪？ CHILDHOOD anaemia

发表于:2019-02-04 / 阅读(63) / 评论(0)

经济学人科技系列

首款马蹄专用跑鞋面世

For over 2000 years, the good old iron horseshoe has remained the only reliable footwear for horses, but an Austrian company is ready to take the horse out of the Iron Age with the worlds first equine running shoes, the Megasus Horserunners. 两千多年

发表于:2019-02-08 / 阅读(104) / 评论(0)

趣味英语

环球英语 — 133：Preventing Anaemia in Newborn Babies

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Mike Procter. 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 Imagine a baby boy. Lets call him

发表于:2019-02-14 / 阅读(49) / 评论(0)

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blind workings of the value principle

brachial lymph nodes