The glans penis, which is a part of the male genitalia, is very sensitive.

He suffered a minor contusion on his occiput.

The warhead of this missile is very powerful.

He drove the nailhead with a hammer.

The piston of the engine is moving.

Kozue is my best friend.

Mozi's thoughts had a great influence on ancient Chinese philosophy.

He finished his work and went home at midnight.

Harunako is my best friend.

Kanako is my best friend.