To avoid going extinct a population must not only survive, but also reproduce.

避免种群灭绝不仅必须生存，而且要繁殖。

youdao

And do they have that object that is all but extinct: a card catalog with narrow oak drawers holding thousands of 3-by-5-inch CARDS?

它们有这种几乎绝种的东西么——存放着成千上万张宽3寸长5寸的书卡、由好多个橡木抽屉组成的卡片柜？

youdao

"A citizen scientist outside Peoria actually sent in a photograph of a species of bumblebee, the rusty patched bumblebee,bombus affinis, that was thought to have gone extinct in that area, and was recovered by a private citizen with a digital camera."

VOA: special.2011.05.24

Environmental activists say plans by Laos to build a dam in the Don Sahong area near the Cambodian border could doom the nearly extinct Irrawaddy dolphin.

VOA: standard.2010.01.11

The hope of all those who took part in both the DNA tests and the funeral procession is that a databank will be created of the real Venetian, who risks becoming extinct.

VOA: standard.2009.11.14

Without giving too much away, a near-extinct ancient race makes a cameo experience.

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If a foreign State ceases to exist under international law and, consequently, a bilateral treaty between the extinct State and the United States lapses, the President cannot use the "receive Ambassadors" clause to bring a new treaty into force between the United States and a successor to the extinct State without Senate advice and consent.

CENTERFORSECURITYPOLICY: Center For Security Policy

Even regarding smallpox, a disease that is extinct but could be revived as a bioterror weapon, there is good news.

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