In organic chemistry, we use the Haworth projection to represent the three-dimensional structure of sugars.

In the organic chemistry class, there was an explanation of the Natta projection.

We swear to be friends forever.

He can speak African American Vernacular English fluently.

He became obsessed with publicly-owned gambling enterprises and used up all his savings.

Let's go to see a movie.

He is studying English.

Ei is good at reciting poetry.

He was appointed as the chief executive officer of the company.

He has a deep interest in avant-garde art.