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.

He is an expert in computational linguistics and is involved in the development of artificial intelligence.

Saint Pierre and Miquelon is an overseas territory of France.

We adjusted our travel schedule according to Mountain Standard Time.

In linear algebra, the upper triangular matrix plays a very important role.