褪黑激素
Traditional form:
褪黑激素
Pinyin (reading):
tuìhēijīsù
Definitions:
- (biochemistry) melatonin
Characters:
- 褪 - to strip, to undress; to fade, to fall off
- 黑 - black; dark; evil, sinister
- 激 - to arouse, to incite; acute, sharp; fierce, violent
- 素 - plain; white; vegetarian; formerly; normally
Traditional characters: