Dinosaurs tend to have highly vascular zed bone early in life and then develop dense bone with growth rings as they reach maturity.
恐龙在其一生的前阶段拥有密布血管的骨骼，而当其成年以后则具有厚厚的骨骼。
Dinosaurs tend to have highly vascular zed bone early in life and then develop dense bone with growth rings as they reach maturity.
恐龙在其一生的前阶段拥有密布血管的骨骼，而当其成年以后则具有厚厚的骨骼。
应用推荐