Histidine is one of the essential amino acids that cannot be synthesized in the human body.

He is an acquaintance of mine.

I am an Earthling.

The Seven Gods of Fortune are gods of Shinto and Buddhism in Japan, believed to bring good luck.

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

This shirt is made of cotton.

He is an expert in physical anthropology, conducting research on human evolution.

In the intense heat, he continued to practice while drenched in sweat.

Where is the anode of this battery?

During the polar night, the sun does not rise even once.