passive immunity [免疫] 被动免疫 ; 不主动抵抗力 ; 被动免疫性
natural passive immunity 自然被动免疫 ; 天然性被动免疫 ; 天然被动免疫
artificial passive immunity 人工被动免疫
active passive immunity 自动被动免疫
method of passive immunity 被动免疫法
artifical passive immunity 人工被动免疫
passive immunity protection 被动免疫保护
artificial l passive immunity 人工被动免疫
passive immunity protection test 被动免疫保护试验
A vaccine may also give us passive immunity by providing B cells taken from an animal or a human to play the same role.
疫苗也可以通过提供取自动物或人身上的B细胞来发挥同样的作用，从而使我们获得被动免疫。
Passive immunity is "borrowed" from another source and it lasts for a short time.
被动免疫的抗体是从其它地方“借来”的，只能持续很短的时间。
Young suckling piglets are protected by passive immunity from the sow.
新生仔猪可从母体获得被动的免疫力。
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