from Greek, literally e psilon "bare -e-, -e- and nothing else," so called by late grammarians in contradistinction to the diphthong -ai-, which had come to have the same sound. Greek psilon "smooth, simple" is of uncertain origin (Watkins suggests PIE root *bhes- (1) "to rub").
实用例句
1. Epsilon lies at the western edge of the constellation.
ε星位于这个星座的西边缘.
来自辞典例句
2. Influential North American fraternity Delta Kappa Epsilon is founded at Yale University.
1844年的今天,有影响力的北美兄弟会“德耳塔·卡帕·厄普西隆”在耶鲁大学成立.
来自互联网
3. The Lucerne will resurface for the 2012 model year, riding on a Holden - developed'super'Epsilon platform.
卢塞恩将重新出现2012年车型年, 乘着一辆Holden发达'超级'小量平台.
来自互联网
4. Epsilon machine, a new computational mechanics, can discover hidden pattern from the response time series.