His double personality confuses me.

He bears a double responsibility.

In the center of this room, there is a large table made of rattan.

Japan's heavy industry is famous worldwide.

He holds dual citizenship in America and Japan.

The bass sounds of this song are amazing.

His condition is seriously ill, and he needs surgery immediately.

Bicarbonate helps neutralize acidic substances in the body.

He headed to the battlefield equipped to the nines.

This reaction occurs through a chemical process.