This mutetrahedron plays a very important role in the world of mathematics.

He was standing behind me.

He was strangled.

I will go to school.

When you cross the International Date Line, the date changes by one day.

My younger brother is attending a middle education school.

This food always smells good.

I applied the lipstick to my lips and looked in the mirror.

The price of this stock has reached an all-time high.

Crustaceans are a type of marine life, including crabs and shrimp.