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Featured Word B2

limestone (noun)

石灰岩是一种主要由碳酸钙组成的沉积岩。

💬 例句

"The cliffs along the coast are composed of soft limestone."

💡 记忆技巧

Think of a 'LIME' (the fruit) sitting on a 'STONE.' Imagine the lime juice slowly dissolving the stone. This helps you r...

🏛️ 来源

⚠️ 常见错误

The volcano erupted and limestone came out. → The volcano erupted and basalt (or lava) came out.

I need to buy a limestone for my garden. → I need to buy some limestone for my garden.