be extinct

例句 (10)

• The dodo bird is now extinct due to human activity.渡渡鸟由于人类活动现在已经灭绝了。
• Many scientists believe dinosaurs are completely extinct.许多科学家认为恐龙已经完全灭绝了。
• The Tasmanian tiger is unfortunately extinct in the wild.塔斯马尼亚虎不幸在野外已经灭绝了。
• This species of whale is nearly extinct.这种鲸鱼几乎灭绝了。
• The woolly mammoth has been extinct for thousands of years.猛犸象已经灭绝了数千年。
• Several bird species are now totally extinct.几种鸟类现在完全已经灭绝了。
• The species was presumed extinct until recently discovered.这个物种被推测已灭绝，直到最近才被发现。
• These beautiful butterflies are almost extinct.这些美丽的蝴蝶几乎已经灭绝了。
• The volcano is considered extinct by geologists.这座火山被地质学家认为已经死火山了。
• Many languages are becoming extinct worldwide.世界上许多语言正在消失。