become extinct是什么意思

This report is from David Cook of our Science Unit: "Why did the dinosaurs become extinct？"

以下是来自我们科学部的戴维·库克的报道:“为什么恐龙灭绝了？”

柯林斯例句

People have proposed all sorts of hypotheses to explain why dinosaurs have become extinct.

人们提出种种假设,试图说明恐龙为什么会灭绝.

辞典例句

If we continue to destroy the countryside many more animals will become extinct.

我们若继续破坏自然环境,将会有更多的动物绝种.

辞典例句

At this point all life on land would become extinct.

此时地面上所有的生命都将绝迹.

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Nevertheless, not doing this way, these species will then become extinct.

但不这样, 这个物种就会灭绝.

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What a pity that this kind of rare animal has become extinct.

这种珍稀生物已无噍类了,真是可惜啊.

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The parent species may survive indefinitely thereafter, or it may become extinct.

以后本家物种也许能继续存在, 也许会灭绝,说不准.

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If an animal might become extinct, we say it is endangered.

如果一种动物有绝迹的可能, 我们称它为濒临绝种.

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If You Do Not Change, You Can Become Extinct.

如果你不改变, 你就会被淘汰.

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How Many Species Become Extinct Each Year？

每年有多少物种灭绝？

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Then Hades will become extinct forever.

不复存在.

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Accordingly, some species become extinct.

因此, 一些种变成熄灭.

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Many plants and animals have become extinct.

很多动植物已经绝种.

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This species has become extinct soon.

这一生物品种快要绝种了.

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If we continue to destroy the countryside many more animal will become extinct.

我们若继续破坏自然环境,将会有更多的动物绝种.

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