cancellous造句
        When this occurs, 
cancellous bone comes compact bone.
当这种情况发生时, 松质骨变成密质骨.
Cancellous allografts incorporate to host bone, as do autogenous 
cancellous grafts.
同种异体松质骨与宿主骨混合与自体松质骨移植相似.
Strontium can avoid 
cancellous bone and cardiovascular disease.
可防治骨质疏松和心血管病.