The function of his midbrain is normal.

I am busy with work during the day.

I work during the daytime.

He is researching the functions of the midbrain.

He played the lead role in the middle of the play.

Cultural exchange between China and Korea is very important.

The Mesoarchean eon is a part of Earth's history, which lasted from about 3 billion years ago to about 2.8 billion years ago.

Where does the Mesoproterozoic era fit in the history of the Earth?

He plays a very important role as the team's middle blocker.

I visited Zhongwei, a prefecture-level city in Ningxia, China.