He tidied up the room quickly.

He has a habit of masturbating every night.

This bivalve's adductor muscle is very fresh and delicious.

Wearing the traditional shawl of the Tōhoku region, Kakumaki, protects you from the cold.

Please put the book on the shelf above.

In addition, he can play the piano.

He calculated the area of the triangle.

He is good at solving trigonometry problems.

He drew a triangle on the blackboard.

Trigonometric functions are one of the basic concepts in mathematics.