artificial stone的用法和樣例：
例句
- Artificial grottoes built out of several pieces of rock are usually cemented together, and the cement shows.
幾塊石頭造成的假石洞，常常是用水泥去粘接的，而水泥卻看得出來。 - Natural stones and artificial stones have many inadequacies, so Quartz Stone is becomging the best choice of kitchen tables.
天然石和人造石存在著諸多不足，石英石正成為櫥櫃檯面的最佳選擇。
