Great Wall
柯林斯词典
1. N a vast sheet of many thousands of gravitationally associated galaxies detected in the universe 星系巨牆; 是宇宙中的巨大架搆，由數千個星系組成[astronomy]
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1. N a vast sheet of many thousands of gravitationally associated galaxies detected in the universe 星系巨牆; 是宇宙中的巨大架搆，由數千個星系組成[astronomy]