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The fossil record suggests that there was an abrupt extinction of many plants and animals at the end of the Mesozoic era.
化石记录表明，在中生代末期，许多动植物突然灭绝。
youdao
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But the Mesozoic, too, began with a mass extinction.
但中生代本身便是以一次大灭绝开始的。
youdao
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But the Mesozoic, too, began with a mass extinction.
但中生代本身便是以一次大灭绝开始的。
youdao