The native chestnut is not extinct.

土生的栗树并没有绝种。

youdao

Evidence collected by the spacecraft on Mars shows some present volcanic action, though the volcanos are believed to be dormant if not extinct.

太空船搜集到的证据显示火星上仍然有火山运动存在，然然人们普遍认为火星上的火山如果说不是死活山至少也处于休眠状态。

youdao

youdao

The group of now extinct humans known as Neanderthals did not leave clear evidence of being musical.

VOA: special.2009.08.18

There were now fewer hobos trailing across America but the breed was not extinct.

ECONOMIST: Irving Stevens

OK, not extinct but perhaps an endangered species.

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But the DINO is not extinct, apparently.

NPR: Political Wrap: DeLay Primary, Domestic Wiretapping