素原促进

antigen (medicine)

raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever

surname Yuan / (Japanese surname) Hara

former / original / primary / raw / level / cause / source

urgent / hurried / to urge / to promote / to urge haste / close / intimate

to promote (an idea or cause) / to advance / boost

to go forward / to advance / to go in / to enter / to put in / to submit / to take in / to admit / (math.) base of a number system / classifier for sections in a building or residential compound