酶原,前酶

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发表于:2018-12-04 / 阅读(166) / 评论(0) 分类 英文魔法师字源大挪移

Combat Dark Under Eye Circles 01 战胜黑眼圈 01 对付黑眼圈的方法 土豆泥能够减轻黑眼圈。土豆含有邻苯二酚酶,化妆品中用它作为美白皮肤的物质。 把一个土豆在食物加工机中绞碎,然后将生土豆泥包裹在一块奶酪布里。 把包有土豆泥的布敷在眼睛下方,持续15至20分钟

发表于:2018-12-05 / 阅读(224) / 评论(0) 分类 美容时尚英语

IN THE NEWS - John Kerry Chooses John Edwards for Vice President By Cynthia Kirk Broadcast: Saturday, July 10, 2004 This is Bob Doughty with In the News, in VOA Special English. The Democratic Nationa

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 教育与新闻

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

发表于:2018-12-11 / 阅读(169) / 评论(0) 分类 万花筒2006年

Researchers may have found an unusual way to reduce plastic pollution, one bite at a time. It turns out that the common wax worm can eat plastic. Also known as the Galleria mellonella, these worms may help reduce the waste caused by plastic bags. Eac

发表于:2019-01-02 / 阅读(160) / 评论(0) 分类 2017年VOA慢速英语(五)月

From VOA Learning English, this is the Health Lifestyle report. Many Americans have toasted bread first thing in the morning. For some, the morning meal also includes hash browned potatoes. Or later in the day, they might enjoy potato chips or crispy

发表于:2019-01-02 / 阅读(259) / 评论(0) 分类 2017年VOA慢速英语(三)月

办公室的环境会加速衰老,这是什么原因造成的呢?下面的双语美文会告诉我们答案. 1 We all know that hectic office environments can increase stress levels and deplete our immune systems but did you know that your desk could

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 实用英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? Altruism poses a problem for the theory of survival of the fittest. If we help others at a cost to ourselves, nice-guy behavior should die out, because we are giv

发表于:2019-01-08 / 阅读(184) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. So check this out: Hi my name is Adi Rajagopalan, I'm going on 18 in a few days, and my project was Modelling Synergistic Cellulolytic-Hemicellulol

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(三)月

At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时,产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷, which can reduce the total volume of gas by u

发表于:2019-01-17 / 阅读(160) / 评论(0) 分类 TED演讲教育篇

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(227) / 评论(0) 分类 实用英语

This is SCIENCE FRIDAY, I'm Ira Flatow. Here's some news to raise a glass to: the idea that red wine may help us live longer and healthier lives. Well, it got a new boost this week. According to a team of researchers, a compound found in the skin of

发表于:2019-01-24 / 阅读(289) / 评论(0) 分类 英语语言学习

Technology Prevention of cancer Wonder drug 科技 癌症预防 灵丹妙药 Aspirin continues to amaze 阿司匹林:继续给你惊喜 FOR thousands of years aspirin has been humanity's wonder drug. 阿司匹林作为人类的特效药实际上已存

发表于:2019-01-26 / 阅读(143) / 评论(0) 分类 经济学人商业系列

By Kurt Achin Seoul 25 February 2008 The former Seoul mayor who swept December elections in South Korea is getting used to his new title: Mr. President. Lee Myung-bak has taken his oath of office in a formal ceremony in the South Korean capital. VOA

发表于:2019-01-31 / 阅读(169) / 评论(0) 分类 VOA常速英语2008年(二月)

看似简简单单的办公室其实危机四伏。皮肤病专家们揭示,在我们的日常办公环境中,隐藏着许多加速皮肤衰老的岁月杀手。让人意想不到的是,电话座机、电脑屏幕、办公位置等很多因素都

发表于:2019-02-01 / 阅读(178) / 评论(0) 分类 实用英语

能够帮你提高记忆力的7种食物

发表于:2019-02-01 / 阅读(239) / 评论(0) 分类 实用英语

今天我们要学的词是 pre-order. Pre-order 预购。iPhone5问世了。The iPhone5 went on pre-order just after midnight Pacific time last Friday. iPhone5 于美国西部时间上星期五凌晨12点一过开始预售。Roughly one hour after t

发表于:2019-02-04 / 阅读(170) / 评论(0) 分类 英语单词荟萃

Women who ate soy regularly as children have a lower risk of breast cancer, American researchers report. And men who eat fish several times a week have a lower risk of colon cancer, a second team of researchers have told the American Association for

发表于:2019-02-18 / 阅读(204) / 评论(0) 分类 阅读空间

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(183) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
active game
air of superiority
Alcarras
allopelagic
assertion data base
atomic era
bacteriolytic amboceptor
balanced reinforcement beam
be soft on
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black and white iceberg
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gray-blue
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help with
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historic bay
hroger
independent system
indicating
ischiocavernous muscle
jiu (jiul)
Kaschgaria komarovii
kyopeulas crystal pulling technique
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lindernia rotundifolia
MCLU
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Phosphopyron
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ricinic
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Shagonar
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Sāmuwāla
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yasunori