The dentist examined my frenulum.

This mineral has a very clear crystal zone.

He explained to me in detail about the constellations of the zodiac.

This city is rich in strips of vegetation, serving as a refreshment spot for citizens.

What is your time zone?

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

He wrapped a tourniquet around his injured arm.

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

Neurotransmitters are responsible for transmitting information between nerve cells.

Chemotransmitters play an important role in the transmission of information between nerve cells.