For years, we have assumed it was the abundant plant life of the Mesozoic that allowed these giants to thrive.

多年来，我们一直认为是中生代丰富的植物种类使这些巨型生物得以繁衍生息。

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Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.

只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。

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Biennial a plant that completes its life cycle within two years.

二年生植物：在两个生长季内完成全部生活史的植物。

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As in the Gulf, the oil deposits were created during a period of flourishing plant life 80 million years ago, when rivers draining Africa and South America dumped sediments into the narrow and shallow sea then separating the two continents.

FORBES: Going deep

Or consider the case of a manufacturing firm that builds a new plant with an estimated life of 30 years, only to learn a year later that the widgets the plant was built to produce have become obsolete.

FORBES: The P/E Problem

The group studied so-called "C3" plants, the most prevalent type of plant life on Earth for the past 400 million years.

CNN: Plants spread secrets about climate change