I couldn't understand his actions.

Mineral oil is often used in the manufacture of cosmetics and pharmaceuticals.

He is majoring in mineralogy at university.

A variety of species live in the temperate rainforest.

I got excited when I heard his voice.

The picnic was cancelled because the weather was not good.

This park was completely artificially made.

Artificial intelligence will be at the center of future technology.

Today's precipitation is very high.

The new school building is very spacious, and the facilities are also the latest.