Cultural exchange between China and Korea is very important.

Mr. Nakai is my best friend.

She is studying traditional Chinese medicine and is utilizing that knowledge.

He was promoted to lieutenant general yesterday.

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.

We are living in the present.

He got lost in the thicket.