Osteoblasts can be seen lining the lacunae in the newly developing fetal bone, and they deposit bone along calcified cartilagenous spicules.是什么意思_Osteoblasts can be seen lining the lacunae in the newly developing fetal bone, and they deposit bone along calcified cartilagenous spicules.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句