免疫系统 miǎn yì xì tǒng

DEFINITIONS

  1. immune system

CHARACTERS

免 miǎn
HSK 4
spare; excuse from; evade
疫 yì
HSK 6
epidemic, plague, pestilence
系 xì
HSK 1
system; line, link, connection
统 tǒng
HSK 5
govern, command, control; unite