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Featured Word B1

earth’s (noun (possessive))

Refers to something belonging to or associated with the planet Earth. It is the possessive form of the noun used to describe properties, layers, or features of our world.

💬 例句

"Earth's atmosphere protects us from harmful solar radiation."

💡 记忆技巧

Think of the 's' in Earth's as standing for 'Surface' or 'System' – things that belong to the planet.

🏛️ 来源

⚠️ 常见错误

earths → earth's

earths' → earth's