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.

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My junior is very excellent.

An otter can move quickly underwater.

In his study of international law, he particularly focuses on jus gentium.

He picked up the ray gun and fired it at the alien.

We live in social housing.

Japan's heavy industry is famous worldwide.