木质磺酸铁铬

Storing Drinking Water

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(550) / 评论(0)

VOA2003（下）-发展与科学

美国有线电视 CNN 2008-12-29

Hello to you, I'm Creshon Saunders at the CNN.com Newsroom in Atlanta. Here is a look at what's happening NOW IN THE NOWS. Israel is pounding Gaza with airstrikes for a second day in a row. Hamas militants are the target and Israeli Prime Minister E

发表于:2018-12-05 / 阅读(62) / 评论(0)

CNN2008年(十二)月

万物简史第398期:浩瀚的海洋(17)

Millions of gallons of fresh water evaporate from the ocean daily, leaving all their salts behind, 每天有几百万加仑淡水从海洋蒸发，留下了全部盐分， so logically the seas ought to grow more salty with the passing years, but the

发表于:2018-12-07 / 阅读(77) / 评论(0)

万物简史

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

发表于:2018-12-07 / 阅读(119) / 评论(0)

(科普英语)Earth and Sky

SSS 2011-09-26

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(105) / 评论(0)

Scientific American(九)月

想聊就聊-2.01.5饮食卫生

M: Please do excuse me for a moment. I've got diarrhea. W: It's easy to get loose bowels in summer. M: It may have something to do with the food I had last night W: Youve got to be careful on the food you eat. M: I will. Thank you.

发表于:2018-12-26 / 阅读(47) / 评论(0)

想聊就聊

如何修复你的Facebook新闻提要

How to Fix Your Facebook News Feed 如何修复你的Facebook新闻提要 Has your Facebook News Feed become a mess of political stories, unwanted videos and angry rants? Are you wishing for the days when your feed was filled with posts from friends

发表于:2019-01-02 / 阅读(109) / 评论(0)

2017年VOA慢速英语(二)月

DEVELOPMENT REPORT - Storing Drinking Water

DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th

发表于:2019-01-07 / 阅读(236) / 评论(0)

农业与发展

薰衣草催眠曲Lavender lullaby

Its easy and relaxing to make and use bath salts at home 在家里制作并使用浴盐很容易也让人非常放松 1/3 cup baking soda 1/3 cup Epsom salts 1/3 cup sea salt 10 drops lavender essential oil 1/3 杯发酵粉 1/3 杯泻盐 1/3 滴薰衣草

发表于:2019-01-08 / 阅读(104) / 评论(0)

英语小短文

VOA标准英语,Drug,US,Author

Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the

发表于:2019-01-13 / 阅读(167) / 评论(0)

VOA标准英语2012年(六月)

VOA标准英语2010年-Iron-Regulating Protein Could Help Bat

Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo

发表于:2019-01-13 / 阅读(231) / 评论(0)

VOA标准英语2010年(八)月

VOA双语新闻：运铁素蛋白质对肿瘤细胞的影响

发表于:2019-01-19 / 阅读(90) / 评论(0)

VOA双语新闻 2010年8月

英语口语900句 09.01.单句

I don't feel well. I have a fever. I have a cold. I have a headache. My eyes are very itchy. I have trouble breathing. I have a stomachache. I have loose bowels. My hand was scalded by boiling water. My ankle is twisted.

发表于:2019-01-21 / 阅读(59) / 评论(0)

英语口语900句

英语听力：自然百科为什么海水是咸的？

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(103) / 评论(0)

自然百科2009年

万物简史第149期:基本物质(21)

The nineteenth century held one last great surprise for chemists. It began in 1896 when Henri Becquerel in Paris carelessly left a packet of uranium salts on a wrapped photographic plate in a drawer. When he took theplate out some time later, he was

发表于:2019-01-29 / 阅读(129) / 评论(0)

万物简史

让你的电脑“健步如飞”

让你的电脑健步如飞开始察觉到你的台式机或笔记本电脑变的有那么点儿不好用了？只用了几个月，你的PC或MAC就失去了它的锐气，感谢硬盘驱动器中的某块碎片吧，这可能是因为太多程序同

发表于:2019-02-07 / 阅读(141) / 评论(0)

实用英语

Google to launch Chrome notebooks in June

SAN FRANCISCO, May 11 (Xinhua) -- Google on Wednesday introduced a series of notebook computers based on its Chrome operating system, stepping up its competition against Microsoft. Google unveiled the Chromebook at its annual developers conference(会议

发表于:2019-02-08 / 阅读(102) / 评论(0)

英语新闻

英语听书《海底两万里》第232期第18章太平洋下四千里(4)

What's more, I've detected those falling and rising currents that make up the ocean's true breathing. 此外，我又注意过那些由上而下和由下而上的水流，形成真正的海洋呼吸作用。 I've seen a molecule of salt water heat up

发表于:2019-02-25 / 阅读(69) / 评论(0)

《海底两万里》中英双语有声读物

万物简史第385期:浩瀚的海洋(4)

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(75) / 评论(0)

万物简史

迷你对话学地道口语第454期:迅速

迷你对话 A: When you went to the dormitory this morning, had your roommates came like a dose of salts? 你今早去宿舍的时候，你的室友已经来了吗？ B: Not yet. All my roommates came like a dose of salts. 还没有，但是我的室友

发表于:2019-03-05 / 阅读(187) / 评论(0)

迷你对话学地道口语

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aerochronometer

air borne survey

all-in-one pliers

analytical petty cash book