澳大利亚抗原 àodàlìyàkàngyuán hepatitis B surface antigen Definitions Defs Origin Strokes Stroke Words Sentences Sents 澳大利亚 澳大利亞 àodàlìyà proper noun Australia Australia; a country and continent in the Southern Hemisphere抗原 kàngyuán antigen a substance that triggers an immune response in the body and reacts with antibodies; examples include certain proteins and microorganisms
