He is suffering from acquired immune deficiency syndrome (AIDS).

This is a 六角四片四角孔ねじれ正多面體, in other words, a muoctahedron.

This is a model of a muoctahedron.

This mutetrahedron plays a very important role in the world of mathematics.

This report includes all the details.

Mr. Hanakazari loves flowers.

He is researching on the pathogenesis and treatment of early-onset diabetes.

This area is rich in bedded cupriferous iron sulphide deposits.

He is always working busily.

This mutetrahedron has a very unusual shape.