Borates play an important role in chemical reactions.

This mineral contains carbonate.

We had a picnic at the foothill.

He yelled at me, looking at me with fury.

I often go camping in the mountains on weekends.

This region is known for the production of high-quality wine.

The new car comes with a sunroof.

He taught me how to calculate the area of an obtuse triangle.

In my town, pedicabs are the main mode of transportation.

Nitrous oxide, also known as laughing gas, is used for anesthesia.