Where is my teacup?

I watch cooking videos on YouTube every day.

My friend became a famous YouTuber.

There are a few problems.

Let's calculate so that all numbers become equal.

The bird is making a nest in the tree.

He works at the Ministry of Health, Labour and Welfare.

He is a very quiet person.

Special relativity is one of the fundamental theories of physics.

I am majoring in auditory phonetics at university.