血清张力素 xuè qīng zhāng lì sù

DEFINITIONS

  1. serotonin

CHARACTERS

血 xuè
HSK 5
blood; radical number 143
清 qīng
HSK 3
clear, pure, clean; peaceful
张 zhāng
HSK 3
stretch, extend, expand; sheet
力 lì
HSK 3
power, capability, influence
素 sù
HSK 5
white (silk); plain; vegetarian; formerly; normally