The photoelectric effect is a phenomenon where a material emits electrons after absorbing light.

My high school has very strict rules.

His filial piety towards his parents is wonderful.

She looked up at the dazzling stars.

She successfully made her high school debut.

He is truly a dutiful son to his parents.

He visits his parents' house every weekend for filial piety.

He received the crown as a king.

I am planning to go to Gangwon in Korea next week.

He has no knowledge about anal sex.