The dentist examined my frenulum.

What is your time zone?

Our house is a large household, with ten family members.

The conduction band is the energy region where electrons can move freely.

In this material, it is difficult for electrons to cross the valence band.

He stood up to put on his new belt.

A mixed number is a number that has an integer part and a fraction part.

He wrapped a tourniquet around his injured arm.

The Möbius strip is a shape in topology that has the characteristic of having only one side.

He goes to the nearby bathhouse almost every day.