单词 myasthenia gravis 释义 myasthenia gravis Med.|masin grvs|[mod.L., shortening of myasthenia gravis pseudoparalytica (F. Jolly 1895, in Berliner klin. Wochenschr. 7 Jan. 7/1), f. myasthenia + L. gravis severe, grave.]A rare chronic disease, occurring...