We must start by filling the outer moat first.

He is the vice president of our company.

I forgot the stroke order of the kanji Hin.

Children are playing on the seesaw in the park.

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.

I often eat sausage for breakfast.

Fundamental knowledge of mathematics is necessary to solve advanced problems.