As time passed, his heart began to calm down.

He is a science student.

Silicon is one of the most abundant elements in the Earth's crust.

Silicon is a major component of semiconductors.

My leg cramped up and I couldn't walk.

He struck the upside-V-shaped gong, starting the festival.

The top gem of her pendant is called a hou.

She was wearing an unlined garment to withstand the summer heat.

This notebook has ruled lines.

This sutra is a classic work from ancient times.