multiple selerosis的用法和樣例：
例句
- Multiple sclerosis is the most common neurological condition affecting young adults.
多發(fā)性硬化癥是年輕人最常見(jiàn)的一種神經(jīng)疾病。 - In multiple sclerosis, for example, axons and neurons can die after myelin is lost as a result of the disease.
以多發(fā)性硬化癥為例，疾病引起的髓鞘喪失，會(huì )造成軸突與神經(jīng)的死亡。
