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

I buy water at the water store every day.

Groundwater pollution has become a serious environmental problem.

I saw various aquatic creatures at the aquarium.

If you train your external oblique muscles, your waist will become tighter.

He is doing a special exercise to strengthen his abductor digiti minimi.

He crossed many mountains and rivers to meet her.

He is doing special exercises to strengthen his abductor digiti minimi.

I started exercises to strengthen the abductor hallucis muscle.

Please remember this old proverb, 'The friendship of a gentleman is insipid as water.'