Fibroblasts secrete a nonrigid extracellular matrix that is rich in type I and/or type III collagen [1].是什么意思_Fibroblasts secrete a nonrigid extracellular matrix that is rich in type I and/or type III collagen [1].在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句