Core training helps to improve the muscle strength of the whole body.

This electric wire is covered with a high-quality insulator.

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.

Strong interaction is one of the four fundamental forces in particle physics.

Echinoderms are a type of marine life, many of which have star-shaped bodies.