The achievements of the past were possible because ordinary Americans demanded them, and meeting today’s environmental challenges will require a new generation to carry on Earth Day’s cause.

过去的成就之所以成为可能，是因为符合美国普通百姓的要求。 应对今天的环境挑战将要求新的一代继承地球日的事业。

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Police and education sources said that street crime was one of the most serious issues facing young people because their generation was the first to carry around expensive technology.

警察和教育人士指出，街头犯罪是青少年面临的最严重的问题。因为他们是携带昂贵技术产品的第一代人。

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That means the next generation of power lines could carry up to a quarter more current without adding any more bulky insulation.

由此可见，下一代电线会比现在多传输四分之一的电流，而且不需要添加任何大容量的绝缘材料。

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They often involve the generation of what are called 'second messenger' molecules which carry the signal further into the cell.

过程中通常会生成一种叫做,第二信使的分子,将信号更深入地传递至细胞内部

耶鲁公开课 - 生物医学工程探索课程节选

Not just the generation of World War II, but every generation must carry that burden.

WHITEHOUSE: Browse White House visitor logs

The Grat is a peculiar creature that rich people use to carry wealth from one generation to the next.

FORBES: The Mini-Grat Tax Dodge

This would be a useful trait to engineer into hybrid crops, such as rice, so that the seeds could carry the same properties generation upon generation.

ECONOMIST: Terminator genes