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

The theory of metric spaces plays an important role in many areas of mathematics.

Understanding probability space is important for learning the basics of statistics.

We will create a map using geographical information.

The spy revealed the secret.

I have been to Ningbo.

I heat up the meal using a microwave.

The tidal wave is hitting the shore.

Namiko is my best friend.

My grandparents came from Poland.