During rush hour, the trains are very crowded.

This sword is made of iron.

He bought a gold necklace.

He bought a gold necklace.

He became a wealthy person at a young age.

Because he is a wealthy person, he can buy anything.

I can hear the sound of a bell.

His success was an inevitable result.

The concept of chemical equivalent is essential for understanding chemical reactions.

It is said that this Sekitou is for worshipping ancient gods.