Come to mention it, yesterday was your birthday, wasn't it?

Yes, I am studying Japanese.

It seems like it will rain tomorrow.

Einstein proposed the theory of relativity.

As his name suggests, Jin moves very swiftly.

He is playing a foolish character named Rho.

General relativity is a theory of physics proposed by Einstein.

Topology is a branch of mathematics that abstracts and generalizes the concept of space.

I record my voice every day.

I bought a new bag.