exponent
英 [?k'sp??n?nt; ek-]
美 [?k'spon?nt]
- n. [數(shù)] 指數(shù)；典型；說明者，說明物
- adj. 說明的
助記提示
1. ex- + pon- + ent.
2. 字面含義：put out, place out, put forth. => expound, one who expounds.
3. 指數(shù)：ex- "upward" + pon- + -ent. 表明指數(shù)放在既在上面又在外面的位置上。
中文詞源
exponent 擁護(hù)者，鼓吹者，指數(shù)ex-, 向外。-pon, 放置，詞源同pose, component.即展開，描述美好的前景，引申義擁護(hù)，鼓吹。同時(shí)用來指數(shù)學(xué)術(shù)語指數(shù)（據(jù)說來自笛爾卡）。
英文詞源
- exponent (n.)
- 1706, from Latin exponentem (nominative exponens), present participle of exponere "put forth" (see expound). Earliest use is the mathematical one (said to have been introduced in algebra by Descartes) for the symbol to indicate by what power the base number is to be raised. The sense of "one who expounds" is 1812. As an adjective, from 1580s.
雙語例句
- 1. She was a leading exponent of free trade during her political career.
- 她從政期間是自由貿(mào)易的主要倡導(dǎo)者。
來自《權(quán)威詞典》
- 2. She is an exponent of vegetarianism.
- 她是一個(gè)素食主義的倡導(dǎo)者.
來自《簡明英漢詞典》
- 3. The value of the exponent varies for different sensory modalities.
- 指數(shù)值隨不同的靈敏速模式而變化.
來自辭典例句
- 4. Huxley was an exponent of Darwin's theory of evolution.
- 赫胥黎是達(dá)爾文進(jìn)化論的鼓吹者.
來自辭典例句
- 5. He had been the principal exponent of the Gallipoli campaign.
- 他曾為加里波利戰(zhàn)役的主要代表人物.
來自辭典例句