You may have heard this expression: You can lead a horse to water, but you cannot make him drink.
VOA: special.2009.07.12
It was also the tallest. And it was the largest power producer that used water power to make electricity.
VOA: special.2009.08.12
There is also something else you will need to make the solar water heater work -- the sun.
VOA: special.2009.04.20
They hope that future synthetic cells can make useful bacteria for products like bio-fuels or vaccines, and to clean up polluted water.
VOA: special.2010.07.20
They mixed the paste with water and flavorful spices to make an unsweetened chocolate drink.
VOA: special.2010.02.17
It takes centuries for water dripping through the rock to make these beautiful formations.
VOA: special.2009.07.20
You can also perform a test. Take some of the material and add enough water to it to make it seem like you are making bread.
VOA: special.2009.09.14
Ceramic objects permitted early cultures to make containers that could hold water.
VOA: special.2009.09.09
The water filter costs little to make.
VOA: special.2009.06.22
They are learning how to identify biodegradable garbage, how to make compost, and how to water the trees they have planted in the schoolyard.
VOA: standard.2010.04.01
The new first pet,a Portuguese water dog, is expected to make his public debut on Tuesday.
VOA: standard.2009.04.13
This water pump -- called the Super Money Maker -- is designed to make a big difference in the lives of rural Africans.
VOA: standard.2010.08.09
应用推荐