n.[C]

1. （原理、学说等的）阐述者；说明者[（+of）]
   Huxley was an exponent of Darwin's theory of evolution.

   赫克斯利是达尔文进化论的解说者。

2. 倡导者；代表者；典型[（+of）]
   He is the supreme exponent of the English humorous essay.

   他是英国幽默文章的重要代表。

3. 【数】指数；幂

n.

1. a promoter of an idea or theory.
2. a person who does a particular thing skilfully.
3. Mathematics  the power to which a given number or expression is raised (e.g. 3 in 2³ = 2 × 2 × 2).
4. Linguistics  a linguistic unit that realizes another, more abstract unit.