The Triassic period is one of the geological ages, referring to the period from about 252 million years ago to about 251 million years ago.

At what point in Earth's history does the Triassic period fall?

Water training on the tatami is a traditional Japanese practice method.

That man-child is still living in his parents' house.

He is called a 'kid's room uncle', and is alienated from society.

I reserved a single room.

We booked a double room.

The history of the Empire of Japan is very interesting.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.