Alkaline earth metals are one of the main components of the earth's crust.

He has a weary character.

Mr. Zhai is my best friend.

He published his own collection of poems.

He had a deep wound on his arm.

Yu is not only his name, but also represents the courage that always exists in his heart.

I enjoyed a fun time at the amusement park with my family over the weekend.

He found out that she was with child.

She announced that she is pregnant.

He built up wealth.