potency

名词 potency:

1. capacity to produce strong physiological or chemical effects
   同义词：effectiveness, strength
2. the inherent capacity for coming into being
   同义词：potential, potentiality
3. the state of being potent; a male's capacity to have sexual intercourse
   同义词：potence
4. the power or right to give orders or make decisions
   同义词：authority, authorization, authorisation, dominance, say-so

1. One wonders also why Nature, with some snakes concocted poison of such extreme potency.
   人们也不知道大自然为何在一些蛇身上调制出这样高效的毒液来。

po.ten.cy

n.（名词）
【复数】 po.ten.cies
The quality or condition of being potent.
力量，权势：强有力的性质或状况
Inherent capacity for growth and development; potentiality.
潜能，潜力：生长与发展的天生能力；潜在性