二叠纪的生命大灭绝，是我们这个星球上最可怕的一次物种灭绝，海洋的90%的生命以及陆地上70%的生命都消失了。

The Permian extinction—the worst extinction event in the planet\'s history—is estimated to have wiped out more than 90 percent of all marine species and 70 percent of land animals.

youdao

252百万年前的二叠纪晚期以已知的地球上发生过的最惨痛的生物灭绝事件著称。

The end of the Permian period, 252m years ago, was marked by the biggest extinction of life known to have happened on Earth.

youdao

把宝贵的周末下午花在洗衣和叠衣上，会让你发疯。

And nothing bugs you more than spending a precious weekend afternoon washing and folding.

youdao