Experimental study on the bone microstructure and bone morphogenetic protein-4 expression during fracture healing in a rat osteoporotic model prepared by ovariectomy是什麼意思_Experimental study on the bone microstructure and bone morphogenetic protein-4 expression during fracture healing in a rat osteoporotic model prepared by ovariectomy在線翻譯_英語_讀音_用法_例句