Three scientists based in the United States have won the two thousand nine Nobel Prize for Physiology or Medicine.
VOA: special.2009.10.07
and get a tent together, maybe. Maybe three thousand persons' tent or something like that.
能有一个大篷。或许是能够容纳3000人的大帐篷。
He says there are more than three hundred thousand small objects or pieces of debris in orbit that are larger than one centimeter.
VOA: special.2009.04.01
Last year,more than six hundred twenty thousand, or three and a half percent, were international students.
VOA: special.2009.02.05
Twenty-three thousand Union soldiers were killed,wounded or missing.
VOA: special.2009.11.05
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