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

I bought a drink from the vending machine.

He was swimming freely as if he was a fish playing in the pot.

He is a person who follows his own path, and the phrase 'a big fish does not swim into a small stream' fits him perfectly.

She was diagnosed with polycystic ovary syndrome.

He is suffering from acquired immune deficiency syndrome (AIDS).

In 2003, Severe Acute Respiratory Syndrome (SARS) spread all over the world.

I withdrew money from the automated teller machine.

I withdrew money from the automatic teller machine.