柠檬酸脲

美国科学60秒 SSS 2012-10-16

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(181) / 评论(0)

Scientific American(十)月

英伦广角粘性物使骨头结实并且柔软

New news is goo newswhen its inside our bones, anyway. Because a combination of imaging techniques and modeling has revealed that our bones are filled with a natural chemical goo thats key to the bones function as support structures. The finding is i

发表于:2019-01-02 / 阅读(138) / 评论(0)

英伦广角

专业术语—中草药成分英汉对照词汇C1

C Caffeic acid 咖啡酸 Caffeine 咖啡碱 Calcium Citrate (Tricalcium citrate) 柠檬酸钙 Calcium Malate 苹果酸钙 (+)-Camphor 樟脑 Camptothecine 喜树碱 Cantharidin 斑蟊素 Capillarisin 茵

发表于:2019-01-03 / 阅读(133) / 评论(0)

医务英语

经济学人321:爬行动物的排尿可算是方便了

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(205) / 评论(0)

经济学人科技系列

The Shepherd and the Bureaucrat

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(161) / 评论(0)

趣味英语

学个词Learn a Word 第983期 Bureaucracy

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问，精简军方的官

发表于:2019-02-08 / 阅读(136) / 评论(0)

英语单词荟萃

大众拟用催化转化器修复受影响汽车

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(169) / 评论(0)

英语新闻

VOA标准英语10月-Conflict Resolution Marked Career of Nobel Laurea

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(142) / 评论(0)

VOA标准英语2008年（十月）

Goo Keeps Bones Strong but Supple 黏性物质使骨骼强，但柔顺

发表于:2019-02-14 / 阅读(167) / 评论(0)

2016年Scientific American(八)月

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apogee kick rocket engine