单词:water purification works
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AGRICULTURE REPORT - Don't Know Much About Mulch?By George Grow Broadcast: Tuesday, January 24, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Mulch is important to farmers. M
Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design
Larry 正在开车和李华一起到他父母家过周末.两个人在车上讨论这个周末的活动.今天李华会学到两个常用语: have a ball 和 tizzy。 (Highway traffic) LH: 我希望你妈啊会喜欢和我一块儿去逛街。 LL: Oh, I'm sure that the two of you will have a ball if you go sh
Lesson 6 A GLASS OF WATER 第六课 一杯水 Let us look at the water in this glass, and see what we can find out about it. It has no colour, so we say that the water is colourless. 咱们来看看这个杯子里的水吧。这杯水是什么样的呢
[ti:UNIT 4 Look into Science! Lesson 32: Unit Review] [0:00.000]UNIT 4 [0:01.873]Look into Science! [0:04.086]Lesson 32 [0:05.447]Unit Review [0:07.036]Ⅰ. Building Your Vocabulary [0:10.383]A. Fill in each blank with the proper word or phrase from
This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The
This is the VOA Special English Development Report. The lack of clean drinking water is a major problem worldwide. The World Health Organization says more than one billion people live in areas where renewable water resources are not available. The pr
This is the VOA Special English Health Report. An outbreak of cholera in Haiti continues to spread sickness and worry. Health officials are worried that the capital could suffer a major outbreak of the disease. So far most cases in Port-au-Prince hav
By Paul Sisco Washington, DC 26 July 2006 watch Water Purification report Villagers in Iraq are better off today, thanks in part to NASA engineers from the Marshall Space Center in America's deep south. ------- Concern for Kids is a non-profit organ
Students Invent Water Purification Disc The lab operates like a kitchen. They add several ingredients. Then they mix, weigh, press and bake them. What's created is called a MadiDrop - a ceramic disc infused with silver. When dropped in water, silver
March 3 3月3日 Read it! 读读看! What tools does Rob need for the car wash? 罗柏需要为洗车活动准备哪些工具? He needs sponges, soap, buckets and lots of water! 他需要海绵、肥皂水、水桶和大量的水! Alex helps ou
By Paige Kollock Washington, DC 12 May 2006 watch Sustainability Expo report More than 350 students from 21 colleges and universities were on the National Mall in Washington D.C. this week to compete
Katia: So, Enam, let's talk about environmental problems of our countries. In Bangladesh, what is an environmental problem? Enam: Actually, we have a lot of environmental problems in Bangladesh but mainly I'd say the soil contamination is quite bad,
The trapped Chinese icebreaker Xuelong broke through the Antarctic's heavy ice floes on Tuesday and was headed for open water. The vessel, which had been conducting China's 30th Antarctic expedition before going to the aid of the stramded Russian shi
Katia: So, Enam, let's talk about environmental problems of our countries. In Bangladesh, what is an environmental problem? Enam: Actually, we have a lot of environmental problems in Bangladesh but mainly I'd say the soil contamination is quite bad,
Nearly 230,000 people affected by the earthquake in Yunnan have been relocated to safer areas. Longtoushan County is the worst-hit area. Two relocation sites were established there to accommodate victims. Works are now underway to repair dozens of wa
be in tears 含泪,泪流满面 例: Most of us were in tears by the time hed finished his story. 他讲完故事时,我们大多数人都已泪流满面。 2. have tears in ones eyes 眼里含着泪水 例: Jane turned to me with tears in he
GIRL:Wow.You seriously spend a lot of time alone. BOY:What?So heres how it works.Water goes in the top,and food comes out the bottom. GIRL:When you shot it into the stratosphere( ['strtə,sfɪə]同温层) you figure it would induce( [ɪn'djuː
你经常有想哭的冲动吗?你哭鼻子的时候知道怎样用英语表达吗?以下是14种有关哭鼻子的表达方法。 1. be in tears 含泪,泪流满面 e.g.: Most of us were in tears by the time he'd finished his story. 他讲完故