primary feather
原内胚层
primary endoderm, primary endoblast
相关词条
primary industry
cardinal plane【电讯】;main plane【航】;primary flat【电子】
primary branch
primary-air supply aperture, passage
rechargeable primary cell
primary amentia
primary alcohol
primary endoderm, primary endoblast
primary feather
primary industry
cardinal plane【电讯】;main plane【航】;primary flat【电子】
primary branch
primary-air supply aperture, passage
rechargeable primary cell
primary amentia
primary alcohol