He seemed to be thinking about something and mumbled, 'Mmm.'

This poem is written in classical Japanese.

They are like me.

He dislikes his new job.

Essential fatty acids are necessary to be taken from our diet because our body cannot produce them on its own.

Essential amino acids are vital nutrients for the human body.

The meeting will start at 10 a.m.

Toki is my best friend.

I wake up at 3 o'clock every day.

We were very happy when he entered university.