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fanlike adj.1.像扇的,像風扇般轉動的。2.折疊的。

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The scientists say the theory may explain a long - standing mystery : strange dark spots , fanlike structures , and spidery patterns that appear near mars ' s southern pole every year 科學家們說這個理論可以解釋一個長久以來的謎團:奇怪的火星黑斑,扇狀結構和每年出現在火星南極附件的蜘蛛狀圖案。