Ward theorizes that this group couldn't adapt, and died out.

沃德，这组无法适应，并熄灭了。

youdao

As he said the last word a sudden flush went up to his forehead and died out again.

当他说到最后一个字的时候，一阵突发的红晕涌上了他的前额，随即又消褪了。

youdao

Conodonts first emerged around 500 million years ago and died out just as dinosaurs were beginning to take shape.

牙形刺最早出现于大约5亿年前，就在恐龙开始登上历史舞台时灭绝了。

youdao

They study wounds and chemical tests to find out if the victim died accidentally or not.

VOA: special.2010.05.05

That memory had simply died out and it helps us to remember too that the tombs that we have seen now, they didn't see.

那些对死者的记忆已经消逝了,这也提醒我们,我们所见到的坟墓,诗人们并没看见

耶鲁公开课 - 古希腊历史简介课程节选

Liberal Republicans began to disappear, and as Southern Democrats died out they were replaced by conservative Republicans.

NEWYORKER: The Empty Chamber

"Lots of people couldn't get out and died mainly because of the smoke not the fire, " he said.

BBC: Brazil nightclub fire: Four arrested in Santa Maria

One is that the Arabian settlers of 125, 000 years ago died out and were replaced by a new exodus from Africa.

WSJ: Matt Ridley on Early Humans Leaving Africa | Mind & Matter