bone substance

• 骨质

bone substance的用法和样例：

例句

1. They found that these bone tools cut the carcass effectively.
   他们发现这些骨质工具切割兽肉是挺好用的。
2. Histiocytosis X always had multiple bone lesions with osteolytic character.
   此病常见有多处骨骼同时发生骨质溶解之病变。