孵化酶

新概念1词汇 46-50

Lesson 46 New words and expressions: 1. lift I can lift that chair, but I cant lift this table. I tried to lift the sleeping girl, but she was too heavy. He lifted his hands when he saw me. 2. cake I can make cakes, but I cant make biscuits. Would yo

发表于:2018-11-27 / 阅读(581) / 评论(0)

新概念英语词汇随身听手册1

美容时尚英语:战胜黑眼圈

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(190) / 评论(0)

美容时尚英语

男人的生物钟

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(141) / 评论(0)

万花筒2006年

VOA慢速英语2017--烤吐司会致癌吗？

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(235) / 评论(0)

2017年VOA慢速英语(三)月

SSS 2008-10-06

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(142) / 评论(0)

Scientific American(十)月

SSS 2009-04-14

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(143) / 评论(0)

Scientific American(四)月

SSS 2009-03-10

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(114) / 评论(0)

Scientific American(三)月

AP 2009-12-07

This is everyday life for Tracy and Pam Norrell, tending to their chickens on their small farm in Burleson.Ordinary barn, ordinary chicken, ordinary coop. But on Monday, they say the ordinary became the extraordinary. Its something that Norwell have

发表于:2019-01-08 / 阅读(177) / 评论(0)

美联社新闻一分钟2009年(十二)月

“自食苦果”怎么说

Larry准备参加马拉松比赛，李华在帮他进行赛前训练。他们会用到两个常用语：on the dot和get a taste of one's own medicine。 LH: Larry，加油，就剩500米了！冲刺冲刺！ Larry: (Out of breath) How...did...I do?

发表于:2019-01-08 / 阅读(104) / 评论(0)

英语日常口语

AS IT IS 2016-03-19 Watch Live Video of Bald Eagles Hatching

AS IT IS 2016-03-19 Watch Live Video of Bald Eagles Hatching This is Whats Trending Today. The American Bald Eagle has long been the national bird of the United States. In 1782, the Continental Congress approved the Great Seal of the United States. T

发表于:2019-01-12 / 阅读(122) / 评论(0)

2016年VOA慢速英语(三)月

美国之音《流行美语》 361

Larry准备参加马拉松比赛，李华在帮他进行赛前训练。他们会用到两个常用语：on the dot和get a taste of one's own medicine LH: Larry, 加油，就剩500米了！冲刺冲刺! 好..！ Larry: (Out of breath) How...did... I

发表于:2019-01-15 / 阅读(108) / 评论(0)

美国之音《流行美语》

TED演讲:我们为什么要排气(3)

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(135) / 评论(0)

TED演讲教育篇

男女通用避孕药即将问世

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(203) / 评论(0)

实用英语

【英语语言学习】红酒可以延缓衰老？

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(239) / 评论(0)

英语语言学习

经济学人127:癌症预防灵丹妙药

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(122) / 评论(0)

经济学人商业系列

办公室隐藏的“岁月杀手”

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(155) / 评论(0)

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(201) / 评论(0)

实用英语

女性多吃豆类男性多吃鱼

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(174) / 评论(0)

阅读空间

2018年CRI Scientists engineer mutant enzyme which eats plastics quickly

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(147) / 评论(0)

2018CRI中国国际广播电台

贝多芬住我家楼上第15期:街上偶遇贝多芬

Piano Sonata Op 49, #2, Movement 贝多芬第二十钢琴奏鸣曲 Dear Uncle, As you know, Mr. Beethoven moved away soon after your visit. 亲爱的叔叔，就和你了解到的一样，贝多芬先生在你访问过后很快就搬走了。 But I h

发表于:2019-02-26 / 阅读(116) / 评论(0)

贝多芬住我家楼上

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学英语单词

a happy hunting ground

Cauchy boundary condition

circulation department