When it rains, water falls from clouds in the sky to the ground. But how does the water get into the sky?There is always water in the air, but you can't always see it. Its name is water vapor (蒸). When it's sunny, the water in rivers,lakes, and oceans gets hot. The hot ...
Then the clouds meet cold air in the sky, and we see drops of water.The drops of water are rain. The rain falls and runs into rivers. Rivers run into the ocean. And the water from the ocean makes clouds and more rain. So water is always moving from the ocean to clouds, then to...
How to get the air or water of a high temperature with a small power by using the air compressorA method for heating air and water with less power using an air compressor is provided to reduce the motor power by rotating a pneumatic turbine attached at a rotary shaft of a pneumatic ...
More and more people today expect to get what they want instantly (e.g. goods, services, news), without having to wait. Why is this the case? Do you think this is a positive or negative development? Give reasons for your answer and include any relevant examples from your own knowledge ...
If the water filter was recently replaced, dripping from the dispenser may occur because air is trapped in the water filter. Please be reminded of the following: Water drips because air remains inside of water system. In most of cases, in order to get the refrigerator i...
When it rains, water falls from clouds in the sky to the ground. How does the water get into the 31 ? It is something called the water cycle.There is always water in the air, but you can't always 32 it.It's called water vapor(蒸气). The _33_ heats up water in rivers,lakes,...
Whenitrains, waterfallsfromcloudsintheskytotheground. Howdoesthewatergetintothe 1 ? Itissomethingcalledthewatercycle. Thereisalwayswaterintheair, butyoucan'talways 2 it. It'scalledwatervapor(蒸汽). The 3 heatsupwaterinrivers, lakes, andoceans. Thewater 4 watervapor. Itgoesintotheair. Highinthe...
Scientists have developed a device that can suck water out of desert skies, powered by sunlight alone. They hope that a version of the technology could eventually supply clean drinking water in some of the driest and poorest parts of the globe. The devic
Next,we have to drink enough water every day.At this time of year,the air is always quite dry.There's little rain and it blows strongly.Many people feel thirsty easily.So we'd better drink 1500milliliter water every day,or we'll get xick in different ways.Finally,it's ...
However, Monet and his artist friends ___24___ the rules. They took their paints and brushes to paint lakes, flowers and woods in the open air. They wanted to show ___25___ sunlight made water and boats look at different time...