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[瑞典]拉韋滕(聚乙烯纖維)
??? 情景例句
But I promise you, Alexandra,
但是我向你保證，Alexandra，
Stay out of this matter, please.
請別管這事。
It was from the study of these that so much was learnt about the interior of the earth.
正是從這兩種波的研究中，我們可以了解到地球內部的許多情況。