二十一世纪是生物技术的世纪。

The twenty-first century is the century of biotechnology.

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他说，在二十世纪七十年代，许多美国公司开始走出更加传统的工业进入IT硬件，软件和生物技术领域。

In the 1970s, he says, many Americans started to get out of more traditional industries and into it hardware, software and biotech.

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自20世纪70年代以来，分子生物学家已在物种之间转移基因，一次转移一种基因；他们的工作给我们带来了转基因农作物和生物技术药物。

Molecular biologists have been transferring genes between species, one at a time, since the 1970s; their work has given us genetically modified crops and biotechnology drugs.

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