黑肺病 hēifèibìng black lung Definitions Defs Origin Strokes Stroke Words Sentences Sents 黑肺病 hēifèibìng black lung noun black lung disease; coal workers' pneumoconiosis Sources Definitions CC-CEDICT
黑肺病 hēifèibìng black lung noun black lung disease; coal workers' pneumoconiosis Sources Definitions CC-CEDICT
