1. Huxley was an exponent of Darwin''s theory of evolution.
    赫胥黎是达尔文进化论的解说者。

2. He is the supreme exponent of the English humorous essay.
    他是英国幽默文章的重要代表。

1. 指数,幂：对数 logarithm | 指数,幂 exponent | 乘方 power

2.

2. 解释者：explore 探险,探测,研究 | exponent 解释者 | export 外销,输出,输出品

3. 阶：exploring coil 测试线圈 | exponent 阶 | exponent arithmetic 指数运算

1. 阐述者;拥护者;倡导者
    An exponent of an idea, theory, or plan is a person who supports and explains it, and who tries to persuade other people that it is a good idea.

    e.g. ...a leading exponent of test-tube baby techniques.
           试管婴儿技术的主要倡导者

2. 擅长者;大师;行家
    An exponent of a particular skill or activity is a person who is good at it.

    e.g. ...the great exponent of expressionist dance, Kurt Jooss.
           表现主义舞蹈的杰出代表人物，库尔特·约斯
    e.g. ...judo exponent Karen Briggs.
           柔道大师卡伦·布里格斯

1. a mathematical notation indicating the number of times a quantity is multiplied by itself

    Synonym: powerindex

2. someone who expounds and interprets or explains

3. a person who pleads for a cause or propounds an idea

    Synonym: advocateadvocatorproponent