例句與造句

1. The matrix of bone contains both fibers of the protein collagen and mineral deposits .
   硬骨的基質(zhì)既含有蛋白質(zhì)的膠原纖維，也含有礦物質(zhì)沉積。
2. It's difficult to find matrix of bone in a sentence. 用matrix of bone造句挺難的