solid rock的用法和樣例：
例句
- A skyscraper built on a base of solid rock.
建築在堅實岩石基礎上的摩天高樓 - The castle is founded on solid rock.
那座城堡建築在堅實的岩石上。 - The solid rock that underlies loose material, such as soil, sand, clay, or gravel.
基岩鬆散地質下的大石塊，如土、沙、陶土或碎石
辭彙搭配
- solid as a rock 堅如磬石
- as solid as a rock 堅如磐石
