Background: Several groups have found that a significant percentage of patients with amyotrophic lateral sclerosis (ALS) have cognitive impairment.是什么意思_Background: Several groups have found that a significant percentage of patients with amyotrophic lateral sclerosis (ALS) have cognitive impairment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句