病毒营销 bìng dú yíng xiāo

DEFINITIONS

  1. viral marketing

CHARACTERS

病 bìng
HSK 2
illness, sickness, disease
毒 dú
HSK 5
poison, venom; poisonous
营 yíng
HSK 5
encampment, barracks; manage
销 xiāo
HSK 5
melt, fuse; market, sell