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ultra-

表示"极端,过度"之义

难易程度:

ultra-为短语/超纲词汇

ultra-


pref 前缀 (used fairly freely with adjs 可用作较多形容词的前缀)
1 extremely; to excess 极端; 过分
*ultra-conservative
* ultra-fashionable.
2 beyond a specified limit, extent, etc 超过某一限度、范围等
*ultraviolet
* ultra-high. Cf 参看 infra-.

ultra-


prefix
[Language: Latin;Origin: ultra 'beyond', from ulter; ULTERIOR]
extremely
 an ultra-modern building
 He remained ultra-cautious.
 an ultra-light jacket
technical above and beyond something in a range
 ultrasound (=sound that is too high for humans to hear)
infra-