气候变化开始产生影响，我能很肯定的说，到本世纪中期，这将成为造成未来英国野生动植物灭绝的主要原因。

Climate change is beginning to have an effect, and by the middle of the century I am sure it will be accounting for the vast majority of future extinctions of English wildlife.

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白垩纪中期之前，也就是说大约1亿年前，开花植物很少见：裸子植物占据着地球的景观。

Before the mid-Cretaceous, 100 million years ago or so, flowering plants were scarce: conifers and their relations ruled the landscape.

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还有一类中期黑麦草，为新西兰一名植物培养家首先培育出来。

There is an intermediate type of ryegrass first produced by a new zealand plant breeder .

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