Androgen is a type of male hormone.

In China, a strict birth control policy was implemented at one time.

The Falco tinnunculus is known for its beautiful feather color and graceful flying style.

She loves Genroku designs, especially often wears kimonos with Genroku sleeves.

The folk etymology of this word is very interesting.

He has a deep interest in etymology.

His house has a very modern design.

The sinusoid is used to represent many phenomena in nature.

He has a deep interest in etymology.

I bought the goods in yuan.