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来源:雅诚德英语网
Dark matter may seem exotic, but cosmologists regard it as the essence of simplicity.
暗物质可能看来奇特,但是宇宙学家将其视为简单的要素。
Dark matter may seem exotic, but cosmologists regard it as the essence of simplicity.
暗物质可能看来奇特,但是宇宙学家将其视为简单的要素。