This food requires refrigeration.

Let's refrigerate the food to make it last longer.

Where is the zero point of this graph?

He rang the bell, drawing my attention.

He saw an antelope for the first time at the zoo.

Excuse me, could you tell me your name?

I will show an example to understand this problem.

I got a slipped disc, so I went to the doctor.

I bought new underwear.

He was polite and bowed to everyone he met.