The theory of black body radiation is an important part of physics.

His unbroken cursive calligraphy is beautiful, and the flowing movement is superb.

This elongated statue is the most popular exhibit in the museum.

The housing of this electronic device is very sturdy.

I strive for body care by doing moderate exercise and eating a balanced diet every day.

I saw a flying object in the sky.

Lithium hydride plays an important role in chemical reactions.

Hydrogen peroxide is often used for disinfecting wounds.

Arsine is a colorless, odorless, and highly toxic gas.

The pH of this liquid is 7.