A black-necked swan was swimming in the park's pond.

As the name suggests, the black widow spider is a spider with a black body.

In physics, blackbody radiation is a very important concept.

In his room, a Nazi swastika flag was hung.

There are a lot of clovers growing in my garden.

It is recommended to take 100 micrograms of this medicine per day.

The daily intake of this medicine is 100 micrograms.

I eat a croissant every morning.

He is suffering from a stomach disease.

He said his stomach hurts.