片语
artificially acquired immunity人工获得性免疫
naturally acquired active immunity天然免疫性
actively acquired artificial immunity主动获得性免疫
acquired active immunity免疫
acquired specific immunity获得特异性免疫
passively acquired artificial immunity被动后天人工免疫力
Acquired d immunity获得免疫﹔后天免疫
acquired secretory immunity获得性分泌性免疫