| 释义 |
passive immunity- 英?[?p?siv ??mju:n?ti:]
- 美?[?p?s?v ??mjun?ti]
英英释义Noun1. an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum)
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