被動免疫 bèi dòng miǎn yì

DEFINITIONS

  1. passive immunity

CHARACTERS

被 bèi
HSK 3
passive indicator 'by'; bedding
動 dòng move, happen; movement, action
免 miǎn
HSK 4
spare; excuse from; evade
疫 yì
HSK 6
epidemic, plague, pestilence