I have been to Santo Domingo.

We spread phosphate fertiliser on the field.

I want to go to Saint Barthélemy.

Please calculate the area of this right triangle.

I am a member of the Third International.

This ring is made of alexandrite.

Hydrocyanic acid is a very dangerous chemical.

As soon as he arrived, he said 'I just got here.'

He drew an equilateral triangle shape.

In this chemical reaction, cyclohexane is the main product.