海水微量元素

US Navy Lab Turns Seawater Into Fuel 美国海军实验室成功将海水转变成燃料 For centuries, alchemists have tried to turn lead into gold. That transmutation has long been proven impossible, but another similar dream - turning water into f

发表于:2018-12-08 / 阅读(54) / 评论(0) 分类 VOA标准英语2014年(五月)

Unit 1 Farm animals [00:31.66]student book page 2 [00:35.37]Let's act [00:35.44]Draw the cow on the paper [00:39.20]Draw the duck on the ground. [00:45.16]Let's talk What do you see? [00:57.88]I see a duck I see a hen I see a pig I see sheep [01:10.0

发表于:2018-12-13 / 阅读(186) / 评论(0) 分类 沪教版牛津小学英语二年级

AS IT IS 2014-08-02 Americans Test Seawater for Fukushima Radiation 美国欲测试福岛辐射值 It has been more than three years since the nuclear accident at the Fukushima power station in Japan. Millions of liters of radioactive cooling water f

发表于:2018-12-16 / 阅读(50) / 评论(0) 分类 2014年VOA慢速英语(八)月

MARY LOUISE KELLY, HOST: The phrase leave no trace is often used to describe good behavior in national parks, meaning enjoy the scenery, and then leave the park exactly as pristine as you found it. The new movie Leave No Trace is about a father and d

发表于:2018-12-18 / 阅读(76) / 评论(0) 分类 2018年NPR美国国家公共电台7月

The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(八)月

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(52) / 评论(0) 分类 60秒科学

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(七)月

More government support, including subsidies and a favorable pricing mechanism, is needed for the country to use desalinated seawater to quench its thirst, a top industry expert said。 The lack of an effective pricing mechanism for desalinated water

发表于:2019-01-08 / 阅读(48) / 评论(0) 分类 英语笔译

AILSA CHANG, HOST: When I think of my favorite foods, I can tick off my favorite Chinese dishes, Mexican dishes, Italian dishes. But if you asked me what Native American dish I enjoy most, I'd be stumped. There's a growing number of Native chefs who

发表于:2019-01-16 / 阅读(54) / 评论(0) 分类 2017年NPR美国国家公共电台1月

Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl

发表于:2019-01-19 / 阅读(78) / 评论(0) 分类 英闻天下

By Peter Heinlein New York City 05 October 2007 Runners on the streets of New York are commonplace this time of year. There is the marathon next month, and occasionally, other organized runs. But one annual event has skyrocketed to prominence in rece

发表于:2019-02-03 / 阅读(140) / 评论(0) 分类 2007年VOA常速英语(十月)

[Storyteller] The journey began The fearless heroes left Heading for a place Far oh far away They had to warn Alron The prince of the North Of the terrible danger That threatened all the lands He holds the secrets Of the black magic His weapon is The

发表于:2019-02-11 / 阅读(85) / 评论(0) 分类 英文摇滚歌曲

Packed with proteins and minerals,oysters are the perfect survival food, 牡蛎富含蛋白质和矿物质 是绝好的救生食品 and there's an almost endless supply. 而且几乎取之不尽 It'd be nicer sharing it with the love of your life and

发表于:2019-02-15 / 阅读(59) / 评论(0) 分类 荒野求生

A huge meteorite crashed into the Atlantic Ocean. Babies who were sound asleep in Asia heard the impact. The meteorite went through the ocean bottom. It created a hole deep in the Earth. All the seawater from the Atlantic started rushing into the hol

发表于:2019-02-15 / 阅读(54) / 评论(0) 分类 英文短篇故事(纽约)

图片1 图片2

发表于:2019-02-19 / 阅读(120) / 评论(0) 分类 加州英语分级G5

图片1 图片2

发表于:2019-02-19 / 阅读(138) / 评论(0) 分类 加州英语分级G5

图片1 图片2

发表于:2019-02-19 / 阅读(136) / 评论(0) 分类 加州英语分级G5

图片1 图片2

发表于:2019-02-19 / 阅读(123) / 评论(0) 分类 加州英语分级G5

图片1 图片2 图片3

发表于:2019-02-19 / 阅读(145) / 评论(0) 分类 加州英语分级G5

Water is so vital to us that it is easy to overlook that all but the smallest fraction of the water on Earth is poisonous to us, 水对我们太重要了,因此我们不容易注意到,地球上绝大部分的水对我们来说都是有毒的,

发表于:2019-02-25 / 阅读(67) / 评论(0) 分类 万物简史