孤儿药 gū'éryào orphan drug Definitions Defs Origin Strokes Stroke Words Sentences Sents 孤儿药 孤兒藥 gū'éryào orphan drug a pharmaceutical drug developed specifically to treat a rare medical condition
孤儿药 孤兒藥 gū'éryào orphan drug a pharmaceutical drug developed specifically to treat a rare medical condition
