promoting substance

• 激素

promoting substance的用法和样例：

例句

1. Diosgenin is the hydrolyzed material of dioscin and the precursor substance of several important endogenous steroids.
   摘要薯蓣皂甙元是薯蓣皂甙的水解产物，它是许多重要甾体激素的前体物质。