exceptional

adj. 异常的，例外的

n. 超常的学生

中文词源

exceptional 卓越的

词源同except, 拿出来的，突出的。与exceptionable的词义差别主要来自人为影响。比较egregious, 原义为极好的，优秀的，现义为极坏的，恶劣的。

exceptional (adj.): 1828, from exception + -al (1). Related: Exceptionally. Exceptionalism attested from 1864; phrase American exceptionalism by 1960. Other noun forms include exceptionalness (1868), exceptionality (1851).

1、ex- "out" + cept- + -ion + -al.2、含义：take out, leave out.

1. Capital punishment is allowable only under exceptional circumstances.: 只有特殊情况才允许执行死刑。

4. At the age of five he showed exceptional talent as a musician.: 他五岁时就表现出非凡的音乐才能。