His behavior is childlike, isn't it?

I am majoring in embryology at university.

Embryogenesis is the early stage of biological development, referring to the process from the fertilization of the egg to the formation of the individual.

The Showa Genroku era was a symbol of peace and prosperity.

To calculate the cube of this number, you multiply the number three times.

He calculated the volume of the cube.

It takes courage to take a step forward.

He loaded the ball cartridge into the gun.

The government has enacted a new environmental law.

Please submit a daily report every day.