多发性硬化症 duōfāxìngyìnghuàzhèng multiple sclerosis Origin Definitions Defs Strokes Stroke Words Sentences Sents 多发性 多發性 duōfāxìng multiple (of a disease) appearing in multiple forms or affecting many parts of the body simultaneously; multiplex硬化症 yìnghuàzhèng sclerosis a medical condition where body tissue or blood vessels become abnormally hard