自净作用, 自净化〔作用〕

英语美文阅读：人生若只如初见

Life Is A Test 人生是一场考试 It makes for a lot of stress, and we tend to feel that there will be more hard lessons in life。这是个让人充满压力的比喻，我们时常感觉人生就是一个不断面临各种课题的过程。 Lif

发表于:2018-12-18 / 阅读(155) / 评论(0)

英语美文

VOA慢速英语2010-Development Report - Water Shortages Cont

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

发表于:2019-01-12 / 阅读(162) / 评论(0)

2010年VOA慢速英语(四)月

VOA慢速英语2010年-Health Report - Haiti's Cholera Outbre

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

发表于:2019-01-12 / 阅读(167) / 评论(0)

2010年VOA慢速英语(十一)月

2006年VOA标准英语-NASA Technology Aids Water Purification Efforts

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

发表于:2019-01-12 / 阅读(207) / 评论(0)

2006年VOA标准英语（七月）

VOA标准英语2013--Students Invent Water Purification Disc

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

发表于:2019-01-14 / 阅读(168) / 评论(0)

VOA标准英语2013年(六月)

Leviticus 利未记12

12The Lord said to Moses, 2Say to the Israelites: 'A woman who becomes pregnant and gives birth to a son will be ceremonially unclean for seven days, just as she is unclean during her monthly period. 3On the eighth day the boy is to be circumcised. 4

发表于:2019-01-26 / 阅读(207) / 评论(0)

利未记

2006年VOA标准英语-National Sustainable Design Expo Highlight

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

发表于:2019-02-05 / 阅读(224) / 评论(0)

2006年VOA标准英语（五月）

英文原版对话1000个:977 Enam's Green Concerns

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,

发表于:2019-02-05 / 阅读(177) / 评论(0)

原版英语对话1000个

【英语趣味课堂】问题和解决方案-Problems and Solutions

发表于:2019-02-16 / 阅读(147) / 评论(0)

英语趣味课堂

CCTV9英语新闻：Victims relying on water purification vehicles

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

发表于:2019-02-18 / 阅读(185) / 评论(0)

CCTV9英语新闻2014年08月

热门单词：“氧吧公交站”用英文怎么说？

一台类似于公交站的城市空气净化装置，近日正式落户于清华大学，其将作为清华校车车站之一，接受北京空气的测试。请看相关报道： An outdoor air purification system, an oxygen bar designed in the fo

发表于:2019-02-25 / 阅读(209) / 评论(0)

英文语法词汇

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automatic pirn winding machine

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