of them were used for drinking water, and China’s deep underground drinking water sources are safe.Deep underground water“深层地下水”不易受污染，常常作为主要“饮用水源”(drinking water source)。与之相比，浅层地下水和地表水(surface water)更易受污染。 ……

地下再生水厂Asia’s largest underground water recycling facility began operating in southern Beijing’s Fengtai District on Oct 27. The Huaifang Underground Water Recycling Plant is capable of processing 600 ……

system, deep-water wells, abundant (充足的) food and clothing storage, and medical equipment and supplies...A US company called Vivos is building 20 underground shelters in the US for survivors of possible ……

Chinese internet users. The Spundwand is a flood prevention dam with a foundation that goes as deep as 20 meters underground. But more reports have revealed that the 15-centimeter-thick fence ……

flow, and it has a foundation that goes as deep as 20 meters underground, reported the Vienna-based... have constructed their own drainage and flood control systems. In Tokyo, Japan, an underground *sewer ……

PARIS — American researchers say they have found a community of hydrogen-munching bugs deep underground, a discovery which strengthens the belief that microscopic life, perhaps of a kind unfamiliar ……

阅读文章，补全句子This year, the first underground trains are ___________ years old. The Underground started running in ___________. London was the ___________ city to get underground trains. Children under ……

better.Laozi said in the book that water gives life to the world. Water is in the underground. People... that water gives life to the world. Water is in the underground. People cannot see it. But it waits ……

. They got water by pulling it up from a well deep below.Since there was no sunlight, the team quickly... had been underground for 23 days.They came out on April 24. Most enjoyed the experience. Two-thirds ……

to the group, well salt products, which come from water deep underground, make up 87 percent... from water deep underground, make up 87 percent of the salt products in China. As lake and sea salt ……

Going underground (P6)Going underground (P6)Choose the answer:Choose the answer:1. What do we know... a hard life.C. Many people there live underground.C. Many people there live underground.D ……

underground. This helps us find water deep down.They can go more than 10 meters underground. This helps us find water deep down.Our roots go farOur roots go farOur roots go farSome of our roots can go sideways ……

Clockwise from left: The kitchen, air vents and bedroom of an underground home in Coober Pedy, ... underground. And their way of life is now drawing attention (引起注意). It could help us deal with (应对 ……

) scientists have found evidence that chemical reactions (反应) are taking place deep below the surface... underground seas.An early study found that liquid oceans exist miles below Enceladus’ surface ……

世界第一条地铁150岁了！In a big city, it’s hard to get around. Underground trains (地铁) can help us. They’re a part of city life. Are there underground trains in your city? This year, it is 150 years since ……