[脊椎] 脊椎动物光感受器光学

They Did It With Mirrors!

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(258) / 评论(0)

疯狂英语2003年

走进剑桥大学第8期:牛顿的苹果树

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家，也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(149) / 评论(0)

走进剑桥大学

SSS 2012-01-16

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(138) / 评论(0)

Scientific American(一)月

科学美国人60秒 SSS This Shark Is the Vertebrate Methuselah

By human standards, a few vertebrate species have incredible longevity. Some tortoises live for nearly 200 years. Bowhead whales can live even a decade or two longer. But now theres a new champion: the Greenland sharkwhich conservative estimates have

发表于:2019-01-20 / 阅读(146) / 评论(0)

2016年Scientific American(八)月

英语听力：自然百科穿越银河系的旅行 Through Milky Way—14

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(282) / 评论(0)

自然百科2011年

趣味青春英语电台第219期:On your high horse

Idiom: On your high horse 非常固执，傲慢，自以为是 Hit the book: illuninate 照亮 organism 生物，微生物 reside 居住 sea cucumber 海参 vertebrate 脊椎动物 dissolve 能融化 adaptation 适应 fundamental 最基本的，最根本

发表于:2019-01-22 / 阅读(193) / 评论(0)

趣味青春英语

可以调焦的眼镜?

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜，但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(145) / 评论(0)

实用英语

Ancient carnivorous fish discovered

BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic reported Monday. The newly-found ancient fish, Laccognathus embryi, is a 1.8-meter-long predator, which was waiti

发表于:2019-02-18 / 阅读(263) / 评论(0)

英语新闻

GRE阅读难句之插入语详解

Is this a defect，or are the authors working out of,or trying to forge,a different kind of aesthetic? (3) 这究竟是一种缺陷呢，还是这些作者想要按照一种与众不同的美学体系进行创作，抑或是在试图创立一种与众不

发表于:2019-02-20 / 阅读(122) / 评论(0)

GRE英语

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学英语单词

18-hydroxydesoxycorticosterone

Aaley

Abbeydorney

abilenes

abstract of financial statements

Arteria intercostalis posterior prima

at a good price