用法:
1 extremely; to excess 极端; 过分:
ultra-conservative *
ultra-fashionable.

用法:
2 beyond a specified limit, extent, etc 超过某一限度、 范围等:
ultraviolet *
ultra-high. Cf 参看 infra-.

• arc 1
• arcade 1
• arch-
• arch 1
• archaeological
• archaeologist
• archaeology
• archaic
• archaism
• archangel
• archbishop
• archbishopric
• archdeacon
• archdeaconry
• archdiocese
• archduke
• arch-enemy
• archer
• archery
• archetypal
• archetype
• archipelago
• architect
• architectural
• architecture