名词
中文翻译：岩石的外层
同义词：
['rock mantle', 'rock crust', "rock envelope例句：1. The ancient civilizations were built on the rock mantle of the earth.（古代文明建立在地球岩石外层的基础之上。）2. The volcano's mantle is a mystery that scientists are still trying to unravel.（这座火山的岩浆层是一个科学家仍在努力解开的谜团。）"]
例句：
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1. The ancient civilizations were built on the rock mantle of the earth.
古代文明建立在地球岩石外层的基础之上。
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2. The volcano's mantle is a mystery that scientists are still trying to unravel.
这座火山的岩浆层是一个科学家仍在努力解开的谜团。
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3. The mineral deposits in the mantle of the earth are incredibly valuable.
地球岩石外层中的矿物矿床极其宝贵。