His behavior is completely abnormal.

This 黼黻 is a symbol of ancient China.

Where is my pencil case?

Where is my brush case?

A negative number refers to a number less than zero.

In genetics, linkage disequilibrium is a very important concept.

This toothpaste contains fluoride.

Allah sees everything.

He is one of the most famous competitive eaters in Japan.

He trampled on my heart.