一组美国研究人员说，他们发现了一种方法，可以把果糖转化成效能比乙醇更好的新型燃料。
A group of U. S. researchers say they have discovered a method of converting the sugar found in fruits into a new type of fuel that outperforms ethanol.
美国研究人员说，南极洲发现了两种新型恐龙化石，一种是移动迅速的食肉恐龙，另一种是巨型食草恐龙。
Two new species of dinosaur fossils, one a quick-moving meat-eater and the other a giant plant-eater, have been discovered in Antarctica, U.S. researchers said.
美国研究人员说，南极洲发现了两种新型恐龙化石，一种是移动迅速的食肉恐龙，另一种是巨型食草恐龙。
Two new species of dinosaur fossils, one a quick-moving meat-eater and the other a giant plant-eater, have been discovered in Antarctica, U. S. researchers said.
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