He always buys cheap things, so in the end, it becomes 'penny wise and pound foolish'.

In this chemistry experiment, we will learn about the dangers of cyanide compounds.

I will participate in an obstacle race this weekend.

In this situation, the proverb 'it is best to submit to circumstances' applies.

Nitrous oxide is one cause of air pollution.

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.

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