单词	衣物性紫瘢
释义	衣物性紫瘢clothing purpura
随便看	observation domain model observation end date/time # observation equation observation error observation gallery observation hole observation identifier observation id suffixes observation interval observation learning observation learning theory observation lift observation line observation matrix observation method observation methods observation mirror observation model observation of ceremonies observation of equal weight observation of fire observation of navigation obstruction observation of slope stability observation oscilloscope observation pier