A river dolphin is a rare type of dolphin that lives in freshwater.

He swung the sharp sword.

I repaired the broken vase using this glue.

A small frog jumped into the pond.

He answered the question immediately.

I had a picnic on the riverbank.

Emperor Ankō is an ancient emperor of Japan, generally referred to as Ankō.

He reclaimed the wasteland and turned it into farmland.

He was working hard to reclaim the wasteland.

I am planning to go to Incheon next week.