Earth and Sky:Water Cycle 水循环

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

知性英语－营养美味的水果

Although most fruits are sweet, they tend to be relatively low in calories. Better still, they are a good source of fiber and are packed with nutrients - especially Vitamin C. On reason that the much-

英国学生科学读本 第85期:可可与巧克力(2)

Some people like to make their cocoa by boiling the nibs in water. 有些人喜欢用水来煮可可粒, When this is done, a layer of cocoa-butter is formed on the top of the cocoa. 这样一来, 可可的上面就会形成一层可可脂。 But mos

【突破英文词汇】solv, solu -- loosen 松开

1. dissolution /ˌdɪsəˈlu:ʃən/ -- act of loosening or breaking up into component parts; disintegration; ruin; destruction When President Lincoln took office, the Union faced imminent dissolution. 当林肯总统就职时，北军就面临着迫切

有声英文阅读-节食是通往健康之路

Dieting Your Way to Health Almost everyone considers going on a diet sometime in his or her life. All, regardless of sex and age, have something in common - losing weight and losing it fast. Though th

Brazil: Water Is an International Problem

A Brazilian official says water restrictions in Brasilia will end by December, when an expanded supply system will be completed. United Nations officials say Brasilia, the capital of Brazil, is one of a growing number of cities with water shortages.

专业术语—口腔生理学术语P2(英文详解)

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

SSS 2009-04-17

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? At Antarcticas Blood Falls, the ice is stained red by ancient, iron-rich water pouring out of subglacial lakes formed millions of years ago. The cascading water is e

SSS 2011-12-12

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

英文原版对话1000个:878 Water Worries

Todd: So, hey, Rebecca, speaking of environmental stuff, I was reading about a drought in Australia. You guys have a serious drought problem with water. Rebecca: Yeah, we do. We've had a drought for some time now and it seems to be getting worse and

经济学人299:北极海域 龙舌兰日落

Science and technology 科学技术 The Arctic 北极海域 Tequila sunset 龙舌兰日落 Global warming may make the northernmost ocean less productive, not more so 全球变暖对北极海域生产力的负面影响 ON SEPTEMBER 16th 2012, at the

8 Tips For Healthy Living On The Go

8 Tips For Healthy Living On The Go Are you a busy entrepreneur or employee who is usually on the go and doesnt have a lot of time, but still wants to make 2008 the year that you get more healthy? Dont worry, youre not alone. Most people want to get

如何保护皮肤健康？

When it comes to your skin, there is an extremely important fact that you must keep in mind: Your skin is the largest organ of your body. As an obvious result, skin health and maintenance is crucial. Your skin does everything from protecting you from

维他命饮料 究竟是好是坏

Companies are increasingly adding vitamins and minerals to juices, sports drinks and bottled water, responding to a growing consumer demand for these products. Even though the amounts of added nutrients in these drinks are typically small, some nutri

【英语语言学习】让我们说些废话吧

Let's talk dirty. A few years ago, oddly enough, I needed the bathroom, and I found one, a public bathroom, and I went into the stall, and I prepared to do what I'd done most of my life: use the toilet, flush the toilet, forget about the toilet. And

多吃芹菜 健康好处多多

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

经济学人260:北极 龙舌兰日落

Science and technology 科学技术 The Arctic 北极 Tequila sunset 龙舌兰日落 Global warming may make the northernmost ocean less productive, not more so 全球变暖可能降低最北部海域的活力，而不是使之更有生命力。 ON S

英语美文：天生我才必有用

In a small zoo camel asked his mother: Mom Mom, why do we so long eyelashes? Camel mother said: When the wind came, the long eyelashes will enable us to be able to see the direction of the storm. small camel asked: Mom Mom, why do we camels back then

【英语趣味课堂】关于水的担忧-Water Worries

Todd: So, hey, Rebecca, speaking of environmental stuff, I was reading about a drought in Australia. You guys have a serious drought problem with water? Rebecca: Yeah, we do. We've had a drought for some time now and it seems to be getting worse and

万物简史 第357期:孤独的行星(22)

Oxygen itself is not combustible; it merely facilitates the combus tion of other things. （氧本身是不可燃的，它只是帮助别的东西燃烧。 This is just as well, for if oxygen were corn bustible, each time you lit a match all the air