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Severe drought has sent river levels in parts of central and northern China to record lows, affecting millions of hectares of farmland and leaving more than a million people short of water。 严重干旱已导致华中和华北部分地区河水水位

VOA慢速英语2013 科学家发现新的物种

Scientists Discover New Animal 科学家发现新的物种 From VOA Learning English, this is SCIENCE IN THE NEWS. Im June Simms. And Im Bob Doughty. Today we tell about a new animal species native to South America. We tell how agricultural chemical

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a length of cloth 一段布 an expanse of water 一片水 a stretch of land 一片土地 a piece of work 一件工作 a carton of milk 一盒牛奶 a piece of luggage 一件行李 a gallon of petrol 一加仑汽油 an ounce of gold 一盎司金子 a

2007年VOA标准英语-Irbil Water Treatment Plant a Model for the Reg

By Brian Padden Irbil, Iraq 27 September 2007 Recent outbreaks of cholera in parts of Iraq highlight the need for basic services like clean water.Development projects in much of the country have been delayed because of the deteriorating security situ

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The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di

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Cloud 云 A cloud is a massive droplets in the sky. 云是天空中大量的小水滴。 When the sun heats up the Earth, water on the Earth evaporates and becomes a cloud. 地球受到太阳的烘烤时，地球上的水就会蒸发并凝结成云。

VOA标准英语2011--Model Home Shows off Renewable Energy Te

Model Home Shows off Renewable Energy Technology in Senegal In Senegal, a model green house is showcasing renewable energy technologies as part of efforts between the Israeli and Senegalese government to improve food production and reduce dependence

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-It's all exciting to see a large animal in the sea, and of course, the turtles are very iconic species in marine world. And I'm surrounded around this life. Hundreds and hundreds of turtles are in the water column above me, passing over the reef's c

美国科学60秒 SSS 2013-02-06

Clouds, they are fluffy, white and full of mystery. Although scientist may have better handle on clouds, even they don't know at all. Because the new study can show that atmosphere gases can help clouds form in a way no one had ever considered. That'

【英语时差8,16】浮云

Fact: liquid water is heavier than air. Fact: clouds, which consist of water droplets and ice crystals, seem to hover in the air. One final fact: the water droplets in a typical cloud together weigh many tons. Which raises a question: how do clouds s

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Are joined in their fall, and, side by side, Come clinging along their unsteady way; 在坠落中抱成一团，一个挨着一个，紧紧依附着摇晃的路； As friend with friend, or husband with wife, Makes hand in hand the passage of life; 就

美不胜收 澳大利亚现罕见雨幡洞云

Amazing photographs have emerged capturing one of the skys rarer sights a cloud formation known as a fallstreak hole. 这些精彩照片拍下了一种罕见的天象雨幡洞云。 Also known as a hole punch cloud the unusual occurrence, which appea

2018年CRI Scientists use massive river model to fight erosion

US Scientists working on new ways to battle the erosion that threatens Louisiana's coastline have a dramatic new tool: a massive replica of the lower Mississippi River. The multi-million US dollar model, complete with flowing water, aims to isolate t

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Clouds in the Kitchen 厨房飘着的云朵 Fill a kettle with water, then turn on the burner. In a while, your kettle will start belching white billowy stuff into the air. What is this stuff? Steam? Actually, no. Steam is water thats heated to two h

英语听力文摘 English Digest 216、云朵是怎样漂浮的

How Clouds Float 形成云彩的暖湿上升气流使得云彩能够漂浮在空中。一片普通云彩的含水量约为200只成年公象的体重之和。但云彩中的水分被分解为细微的水滴和冰晶，因而不会倾盆而下。即使是

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Any water molecule that strays beyond the edge of the cloud is immediately zapped by the dry air beyond, allowing the cloud to keep its fine edge. 要是水分子越出该云边缘，外面干燥的空气马上会把它除掉，从而使积云的边缘