石ころ

石ころ

Pebble; small stone.

In this sentence, '石ころ' is used to refer to small rocks or pebbles found in the garden as part of the natural environment.

庭には小さな石ころがたくさんあります。

There are many small pebbles in the garden.

Here, '石ころ' is used to indicate small stones found at the beach, emphasizing their activity of collecting them as an enjoyable pastime.

海岸で石ころを集めて遊びました。

I played by collecting pebbles on the beach.

In the context of this sentence, '石ころ' refers to small stones inside the shoe, highlighting an inconvenience caused by them.

靴の中に石ころが入っていて歩きづらいです。

It's hard to walk because there are small stones in my shoes.