Today in the 21st century, high-tech is everywhere.

在21世纪的今天，高科技更是无处不在。

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Today, biologists, using 21st-century tools to study cells and DNA, are beginning to understand how these plants hunt, eat and digest—and how such bizarre adaptations arose in the first place.

今天，生物学家利用21世纪的工具来研究细胞和 DNA，开始了解这些植物是如何捕食和消化的——以及这些奇异的适应性最初是如何产生的。

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Its report Feeling the Heat, which is launched today, claims that climate change is the biggest global health threat to children in the 21st century.

今天公布的报告显示了这种压力。报告称，气候变化对二十一世纪全球孩子的健康威胁最严重。

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Not today, not in the 21st century.

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Today, there is a growing recognition that in the 21st Century the only comparative advantage is temporary.

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Because of the things that have been done, we can make college as universal in the 21st century as high school is today.

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