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

I need a replacement blade for my razor.

If the book is cheap, I should buy it.

We often have picnics by the river on weekends.

We have a picnic by the river every weekend.

He always lives without forgetting his child's naive mind.

I like watching children play in the park.

Ohajiki is a Japanese traditional game.

I plan to play with my friends at the park on the weekend.

The children were playing hide and seek in the park.