multiple sclerosis
noun [ U ] uk/ˌmʌl.tɪ.pəl skləˈrəʊ.sɪs/ us/ˌmʌl.tə.pəl skləˈroʊ.sɪs/ (abbreviation MS)
多发性硬化
a disease in which the covering of the nerves gradually becomes destroyed, damaging a person's speech and sight and ability to move