三十年河东,三十年河西，是哪条河？Q: There is a Chinese saying, “Thirty years east of the river; thirty years west of the river.” Which river is the saying about? A: It is about the Yellow River. Chinese people call ……

可以加热饮料的勺子This is Halo. It is a heating6 spoon. After you put it in your drink and press the button (按钮), it can make your drink warm. There is a color sensor (感应器) in it. It changes color ……

为什么皮肤会变紫？Sometimes you play and you get hurt (受伤). The color of your skin changes. So you have a bruise (淤青) under your skin. ……

Do you know about “magical” mugs (马克杯)? When you fill one with hot water, its color changes or you... with hot water, the structure (结构) of the dye changes. It begins to absorb light. Then the color ……

神秘“绿河”再现芝加哥神秘“绿河”再现芝加哥Every spring, the Chicago River (芝加哥河) in the US turns green for one day. That’s to celebrate St. Patrick’s Day (圣帕特里克节). Green is the color of the holiday. Dyeing (给……染色 ……

奔流数百年的大河为什么突然消失？For 300 years, the Slims River had been flowing through Canada’s Yukon region. But last year, in only four days, the water in the big river reduced sharply (大幅地), which made the river ……

of Wisconsin-Parkside, US. “If a river changes course so drastically that the drainage basin (流域) no longer...流淌百年的大河为何突然消失？词数 395 建议阅读时间 7分钟 测试见7版For 300 years, the Slims River flowed through Canada’s Yukon ……

the grass green.Paint the river blue.3 Cut a strip (条) of card to make the bridge. Paint it and glue (粘贴) it on. the bridge goes over the river.4 Draw Big Billy Goat on some card. Draw a middle-sized ……

you need: a Chameleon (变色龙) Bandage. This band-aid changes color to match your skin. How does it do this? Chemicals in the band-aid make such changes. 21ST ……

TO TEENSHowever the world changes, things of true value will lastHowever the world changes, things... – shuliang – for its color. Gambiered Canton gauze is the only silk fabric that’s still hand-dyed (手工 ……

’s emotions according to changes in the color of their faces, The Guardian reported.Scientists from... to changes in the color of their faces, The Guardian reported.Scientists studied pictures of people ……

the nose and forehead.“We believe these color patterns are due to small changes in blood flow... around the nose and forehead.“We believe these color patterns are due to small changes ……

changes to the Yangtze River.C. The Yangtze River in Chinese poetry and historical stories.D.... And the Yangtze River – being the longest river that stretches across a large part of the country ……

Many smart technologies are now being used for Yellow River governance. VCG  Look at smart technologies in river management  Look at smart technologies in river management  ……

Many smart technologies are now being used in Yellow River governance.  TUCHONG  Yellow River management is getting smarter thanks to new technologiesYellow River management is getting ……