It's the fastest-ever recovery of a mammal, joining peers like the Louisiana black bear as glowing successes in the history of the Endangered Species Act.
2018年12月六级真题（第三套）阅读 Section A
柯林斯高阶英汉双解学习词典释义
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哺乳动物
Mammals are animals such as humans, dogs, lions, and whales. In general, female mammals give birth to babies rather than laying eggs, and feed their young with milk.
1. any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk