If the animal was not claimed by then, it was euthanized, since there was no background information on the animal.

如果那到时还没被认领，就会被实施安乐死，因为没有动物的背景信息。

youdao

In response to such cases, a human task allows the developer to specify an escalation to occur if a task is not claimed or completed within a certain period.

为了响应此类情况，人工任务允许开发人员指定在任务未被认领或未在某个时段内完成时进行升级。

youdao

They claimed they were political refugees and not economic migrants.

他们宣称自己是政治难民，不是经济移民。

《牛津词典》

So far,though,the fighting had not claimed many lives.

VOA: special.2009.08.27

We remember that Milton's anonymous attacker in 1642 had not only claimed that Milton could be found skulking around the back alleys of London's brothels he was a denizen of London's playhouses.

我们记得，在1642年2,一个米尔顿的匿名攻击者声称,可以在伦敦的妓院后巷看到米尔顿在躲躲闪闪,他是伦敦剧场的常客。

耶鲁公开课 - 弥尔顿课程节选

And yet, their subconscious mind limited them, prevented them from breaking that barrier that happened to be not a physical barrier as doctors, physiologists and scientists had claimed.

然而他们的潜意识限制了他们，阻止他们突破界限,那不是医生，生理学家和科学家们声称的身体界限。

哈佛公开课 - 幸福课课程节选

The Farc has not claimed responsibility for the attack on Mr Cuellar, but is widely thought to have been behind it.

BBC: Kidnapped Colombian governor found with throat slit

Tens of thousands of dogs are euthanized each year in Mexico if they are captured by animal control officers and not claimed within 72 hours.

NPR: Officials: Possible 5th Killing By Mexico Dog Pack

If they are not claimed, they are then sold at auction.

BBC: How much does Royal Mail make from undelivered parcels?