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.

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

He has no knowledge about anal sex.

He started training his anal sphincter.

He is majoring in syntax at university.

He is an expert in enzymology and conducts many researches.

You can use spectroscopy to examine the components of a substance.