Since he started his new job, he's been lively as if he were a fish back in water.

He absorbs new information like a sponge soaking up water.

This steam is what you see when water vapor cools down.

This building is equipped with an impermeable wall, preventing water intrusion.

The aquifer in this area provides a very abundant water source.

My favorite classic novel is Water Margin.

This compound contains a sulfhydryl group.

Kazumi is my best friend.

I have been to Suishiei.

Water Margin is one of the four great literatures of China.