He fractured his antebrachial bone.

He fractured his frontal bone.

My previous job was a teacher.

Mr. Kima is my best friend.

He is a perfectionist, so he is very strict about his work.

He played a perfect fifth scale on the piano.

Eurasia is the largest continent on Earth.

I learned about the properties of phosphorous acid in chemistry class.

The climate of the subtemperate zone is characterized by mild winters and hot summers.

He has a deep interest in European and Asian cultures.