天文学家将这种不可见物质通俗地称为暗物质。

Astronomers nicknamed this unseen mass dark matter.

youdao

所以物理学家提出星系被不可见物质的晕圈所包围。

So physicists proposed that the galaxies are surrounded by halos of invisible matter.

youdao

人们认为暗物质是由将近占宇宙四分之一质量的不可见物质组成的。

Dark matter is thought to be an invisible substance that makes up almost a quarter of the mass in the universe.

youdao

> You can see this frankly in the consumer world.

>坦白说，这种现象在物质世界里处处可见。

哈佛公开课 - 计算机科学课程节选

The people who write about food history have called these things superfoods, not necessarily because they're super rich in all nutrients, but because they were super available.

那些写饮食史的人,将这些称之为超级食物,不一定是因为它们富含所有营养物质,而是因为它们随处可见

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选