非洲Africa是专有地名,不可数。These flowers are found only in Africa. 这些花仅见于非洲。
Many British birds winter in Africa.
许多英国的鸟在非洲过冬。
He's travelled widely, chiefly in Africa and Asia.
他游历了许多地方，主要在非洲和亚洲。
West Africa was the pivot of the cocoa trade.
西非是可可豆贸易的中心。
She caught a fever on her travels in Africa, and died.
她在非洲旅行时患热病而死。
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