双语例句原声例句权威例句
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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
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It ordered the company to provide a permanent water solution for families whose wells are polluted.
VOA: standard.2010.01.02
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They allege that the company's drilling polluted their water with chemicals,metals and methane, the main constituent of natural gas, causing explosions as well as gastrointestinal and neurological illness.
VOA: standard.2010.01.02
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