| 释义 | Laurentian Highlands 基本英英
 英Noun:a large plateau that occupies more than 40% of the land area of Canada;it extends from the Great Lakes northward to the Arctic Ocean;laurentian upland劳伦钦高地
 
 Noun:
 a large plateau that occupies more than 40% of the land area of Canada; it extends from the Great Lakes northward to the Arctic Ocean
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