天然毒素 tiān rán dú sù

DEFINITIONS

  1. natural toxin

CHARACTERS

天 tiān
HSK 1
sky, heaven; god, celestial
然 rán
HSK 2
yes, certainly; pledge, promise
毒 dú
HSK 5
poison, venom; poisonous
素 sù
HSK 5
white (silk); plain; vegetarian; formerly; normally