乙种促效剂 yǐ zhǒng cù xiào jì

DEFINITIONS

  1. beta-2 agonist

CHARACTERS

乙 yǐ second; 2nd heavenly stem
种 zhǒng seed; race, breed; to plant
促 cù urge, press, hurry; close
效 xiào result, effect; effectiveness
剂 jì medicinal preparation