Nitrous oxide can be used for anesthesia and to boost engine power.

There is a bad relationship between him and me.

Due to the new coronavirus, we had to undergo a two-week quarantine.

Did you hear his voice?

Mr. Nakahara is my best friend.

He ate three apples.

I was late for the meeting because the train was delayed.

The train was delayed, so I was late for the meeting.

My dog seems very happy in his new kennel.

I belong to a local association.