Its tallest volcano, long extinct, is Olympus Mons.那里最高的火山是奥林匹斯山, 早已成了死火山。

the bones of extinct animals灭绝动物的骨骼

It is 250 years since the wolf became extinct in Britain.早在250年前狼就在英国绝迹了。

The species is almost extinct.这个物种几近灭绝。

If the current trend continues, black farmers in the United States may be extinct by the end of this decade.如果目前这种趋势继续下去, 美国的黑人农民不出十年就会消失。

Herbalism had become an all but extinct skill in the Western world.草药学在西方已经成了一门即将消失的技能。