antigen
柯林斯词典
1. N-COUNT An antigen is a substance that helps the production of antibodies. 抗原
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antigen /ˈæntɪdʒən/ (antigens)
剑桥词典
- a substance that causes the production of antibodies in the body
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1. N-COUNT An antigen is a substance that helps the production of antibodies. 抗原