My great-grandfather was a doctor.

I always put hot sauce on my tacos.

I made new friends through social media.

Hexose is a type of monosaccharide, mainly used as an energy source.

This new device can control sonic booms.

Sonic is my favorite video game character.

Liquid oxygen is often used as rocket fuel.

This substance does not mix with water due to its high hydrophobicity.

He went to meet a friend who works at a soapland.

He shared his sweets with his friends.