大约 189万 条结果
在新选项卡中打开链接
Active vs Passive Immunity: Differences and Definition
Passive Immunity - Definition and Examples - Biology Dictionary
Passive immunity - Wikipedia
Passive vs. Active Immunity: Here's the Difference - Health
Active vs Passive Immunity – Definition and Differences
What is passive immunity, and how does it work? - Caltech ...
Active and Passive Immunity: What’s the Difference? - WebMD