反生物战 fǎn shēng wù zhàn

DEFINITIONS

  1. biological (warfare) defense

CHARACTERS

反 fǎn
HSK 4
reverse, opposite, contrary, anti
生 shēng
HSK 1
life, living, lifetime; birth
物 wù
HSK 3
thing, substance, creature
战 zhàn
HSK 5
war, fighting, battle