An irregular galaxy is a type of galaxy that does not have a definite shape.

His music skillfully uses dissonance.

He remained silent and didn't say anything.

Even though he is a doctor, he doesn't take care of his own health. It's truly a case of 'physician, heal thyself'.

Père David's deer, also known as the 'four unlike', is a species of deer native to China and is listed as an endangered species.

In genetics, linkage disequilibrium is a very important concept.

He felt cognitive dissonance between his actions and beliefs.

He has a one-track mind, so if he fails once, he never tries the same thing again.

鸕鷀草葺不合 is my favorite classic poem.

I went to the shrine of Ugayafukiaezu-no-mikoto.