declared extinct翻译

declared extinct的基本解释

读音: 美: 英:

宣布灭绝：指某种动植物被正式宣布已经灭绝或者无法在野外找到。

例句

Holdridge's toad, found only in Costa Rica, was declared extinct.只有在哥斯达黎加才能发现的霍尔德里奇蟾蜍，已被宣布灭绝。
A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well.一项研究发现，过去几个世纪已经宣告灭绝的哺乳动物中有三分之一其实都活得好好的。
The US Fish and Wildlife Service declared the eastern cougar officially extinct Wednesday, even though the big cat is believed to have first disappeared in the 1930s.美国鱼类和野生动物管理局在星期三宣布东部美洲狮已正式灭绝，但是人们认为这种大型猫科动物在20世纪30年代就消失了。
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