The superior pharyngeal constrictor plays a role in pushing food into the esophagus when swallowing.

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

The Fischer projection is a commonly used representation method in organic chemistry.

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.

He was tried for the crime of desertion in the face of the enemy.

Many students are gathering in the lecture hall.

Touya will participate in the track and field competition.

He reads the newspaper every day.

He hit the ball.