Dinosaurs died out millions of years ago.

数百万年前恐龙就已经灭绝了

Laws should be passed to protect pandas. Otherwise, they are certain to die out.

应该通过法律保护熊猫。否则，他们一定会灭绝的。

With unutterable misery, the fettered little King heard the voices and footsteps fade away and die out.

戴着脚镣的小国王听到声音和脚步声渐渐消失，直到听不见。真是说不出的痛苦。

We used to believe that capitalism would soon die out.

我们曾以为资本主义很快会消亡。

I don't want the panda to die out.

我不希望熊猫灭绝。

Fish will die out of water.

鱼离开水就会死的。