They realized that the rice could fill up the entire world with a thick layer.

他们发现米粒,能厚厚地覆盖全世界。

哈佛公开课 - 幸福课课程节选

The cortex is the outer layer and the outer layer is all crumpled up.

大脑皮层是大脑的外层,上面布满了褶皱

耶鲁公开课 - 心理学导论课程节选

And you end up with the destruction of the ozone layer.

最终臭氧层被破坏。

麻省理工公开课 - 固态化学导论课程节选