“羽根”造句
摘要目的观察鸡
羽根 角蛋白 管作为组织工程材料的毒性作用.
Objective To evaluate the toxicity of chicken calamus keratin ( CCK ) conduit as a tissue - engineered scaffold material.
在这一阶段,有一簇羽枝会与中空圆柱融合在一起, 形成翮(即
羽根).
This stage produced a tuft of barbs fused to the hollow cylinder, or calamus.