I saw various aquatic creatures at the aquarium.

In organic chemistry, hippurate is known as a compound of the amino acid glycine and benzoic acid.

In organic chemistry, pyruvic acid plays an important role.

This area is affected by radioactive fallout from past nuclear tests.

He crossed many mountains and rivers to meet her.

In chemistry class, I learned about the reaction of pyruvate.

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