: a beetle (甲虫) that can walk under the top of the water.John Gould is a researcher...) that can walk under the top of the water.John Gould is a researcher at the University of Newcastle ……

people worry about most in their drinking water, and lead is the top concern. According to the US... lead: it should be kept under 0.01 milligram per liter of water. ……

people worry about most in their drinking water, and lead is the top concern. According to the US... lead: it should be kept under 0.01 milligram per liter of water. 21st ……

on table knife and hold it under water, then try the leaf.4. Put your finger in hole and look at it through the water. Put coin on table knife and hold it under water, then try the leaf.  ……

on table knife and hold it under water, then try the leaf.4. Put your finger in hole and look at it through the water. Put coin on table knife and hold it under water, then try the leaf.  ……

(心形的弹坑) on the dwarf planet (矮行星). The crater is icy. Now scientists say there may be water under... the top of the crater became icy, just like snow. But under it, there might still be an ocean of liquid ……

part of it goes under the water. Then, the water gives the stone a stronger push to skip.A heavier stone hits the water. A bigger part of it goes under the water. Then, the water gives the stone ……

the polish sticks to the paper. Let the water drip from the paper. Place it on top of the newspapers... the paper. Place it on top of the newspapers to dry.3 Look at paper under a strong light from an ……

沉(形容词)heavy: 这桌子真沉。The table is heavy.(动词)sink沉入水中sink under water ……

under our noses," he said. If you want to join in the fight for water, visit www.wateryear2003.org... are alldependent(依赖) on water. It is thesource(源泉) of all life and we need it every day. But with the world ……

shortages.In Yemen, water is more precious than oil. “Yemen's water share per person is under 100 cubic...Water shortage crisis in YemenYEMEN could become the first nation to run out of water. Its ……

), see and hear while its body is in the water.A hippo’s nose, ears and eyes are on the top of its...;and director, I like taking baths, too. And I spend even more time in water — about 16 hours ……

Look at this umbrella! It has a special (特殊的) part on the top. It can collect (收集) water. When it is raining, use this umbrella. When you get home, you can use the rainwater to water your flowers. ……

) of the "box" was full ofconcrete(水泥).Divers(潜水员) spent 10 hours under water putting the "box... the Nanhai-I moving around under the sea, then they spent a month making a huge "box" for the ship ……

水下也能用的手机。
CAN a cell phone work under water? Sonim XP3 can! Look, a woman is putting one into a bowl of water. The Sonim XP3 can still work well when it is one-meter deep in water. It also works in bad weather ……