这包括全球变暖和动植物种群的灭绝。
These include global warming and loss of some kinds of plant and animal life.
中找到了元素铱岩层，而这通常会被发现于小行星中。 这次灭绝事件杀光了恐龙以及许多其他动植物物种。
The mass extinction event killed off the dinosaurs and many other animal and plant species.
污染使一些动植物五种灭绝甚至危害到了我们人类。
Pollution is killing off some plant and animal species, and even our human beings.
污染使一些动植物五种灭绝甚至危害到了我们人类。
Pollution is killing off some plant and animal species, and even our human beings.
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