drug function

• 药效

drug function的用法和样例：

例句

1. The effect of the drug will go off after two hours.
   此药之药效将在两小时后消失。
2. Try to find the relation between the herb action and the function of Zang and Fu.
   加强对中药药效与中医脏腑功能之间关系的探讨。