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.

This contract prohibits interference by a third party.

I want to go to Sao Tome and Principe.

Let's pray that World War III does not occur.

The time complexity of this algorithm is O(n).

This rock is rich in silicate.

This compound is a malate.