常見例句用作名詞 (n.)The cause of scleroderma is unknown.硬皮病的原因尚不清楚。Scleroderma is a chronic disease that lasts many months to years.硬皮病是一種可以持續(xù)數(shù)月至數(shù)年的疾病。 返回 scleroderma