The external anal sphincter plays a crucial role in helping us control defecation.

I use hair tonic every night.

Because he received Spartan education, he has a very strict character.

My commuter pass expires next week.

Above all, grammar is the most important in learning Japanese.

Her behavior seemed mysterious.

His father was diagnosed with schizophrenia in the past.

The impact of the unequal treaty is still deeply rooted in our society.

Last night, I was scared because of the thunder.

She is conducting research on the world's oldest profession.