玉石  は英語で
boulder

英語の定義

その他の翻訳と定義

boulder	©
1. 名詞. まるいし。
2. 名詞. (geology)巨礫。
3. 動詞. ボルダリングにたずさわる。

boulder	©
1. n. A large mass of stone detached from the surrounding land.
2. n. (geology) A particle greater than 256 mm in diameter, following the Wentworth scale
3. n. A large marble, in children's games.
4. v. To engage in bouldering

cobblestone	©
1. 丸石, 玉石

cobblestone	©
1. n. A rounded stone from a river bed, fit for use as ballast in ships and for paving roads.

発音