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.

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

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

I saw a flying object in the sky.

This book is written in Roman type.

The complement system of the immune system plays an important role in eliminating foreign substances in the body.

His form is just like a dancer.

His hippocampus is maintaining a healthy condition.

Proto-Indo-European is considered the origin of many modern languages.