PREFIX （置于形容词之前构成形容词，用以强调）表示“超…的”，“极其…的”Ultra- is added to adjectives to form other adjectives that emphasize that something or someone has a quality to an extreme degree. （置于形容词之前构成形容词，用以强调）表示“超…的”，“极其…的” [emphasis]
...a wide range of ultra-modern equipment.
一大批超现代设备
...an ultra-ambitious executive.
雄心勃勃的主管
SYN extremely, excessively, fanatically, radically