passive immunity造句

1、The immune rabbit sera were used for passive immunity test in mice.
并以家兔免疫血清在小鼠进行被动免疫保护实验。

2、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。

3、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。