I like going to the aquarium.

How was this cylinder made?

My pet is a reptile, a snake.

I'm in the middle of a conversation, so please wait a moment.

Daichiro is my best friend.

In philosophy, we consider ourselves a part of the macrocosm.

To solve a math problem, we substitute values into the equation.

My keys are inside the house.

He is quite a good cook.

I think his Japanese has improved quite a bit, hasn't it?