n.(尤指政治上的)过激分子，极端主义者
adj.极端的

原形：ultra复数：ultras

We'll give you an ultra sound.
我们给你做一个超声波检查。
She is a ultra-thin model.
她是一个极瘦的模特。
Her firm's ultra-low prices have seen it grab a dominant share.
她公司的超低价格时期占据了主导地位。
The new smartphone model boasts ultra-high definition display, offering an unparalleled visual experience.
这款新智能手机型号以其超高清显示屏为傲，提供了无与伦比的视觉体验。
The athlete's ultra-marathon performance demonstrated exceptional endurance and mental strength.
这位运动员在超级马拉松中的表现展现了非凡的耐力和精神力量。
The fashion show featured ultra-chic designs that pushed the boundaries of conventional style.
时装秀上展出的超时尚设计打破了传统风格的界限。
The company's ultra-quiet dishwasher is a favorite among customers who value peace and quiet at home.
该公司生产的超静音洗碗机深受重视家中宁静环境的顾客喜爱。
Researchers have developed an ultra-thin material that can efficiently absorb and convert sunlight into electricity.
研究人员开发出了一种超薄材料，能高效地吸收并转换阳光为电能。
The luxury car comes equipped with ultra-comfortable seats, ensuring a smooth ride for passengers.
这辆豪华汽车配备了超舒适的座椅，确保乘客享受到平稳的乘坐体验。
The documentary explored the lives of ultra-successful entrepreneurs, uncovering their secrets to achievement.
这部纪录片探讨了极度成功企业家的生活，揭示了他们成功的秘诀。
The ultra-fast internet connection allows for seamless streaming of high-definition videos without buffering.
超高速的互联网连接允许高清视频流畅播放，无需缓冲。
The new vacuum cleaner features ultra-powerful suction, making it highly effective in removing even the most stubborn dirt.
这款新型吸尘器具有超强吸力，即便是最顽固的污垢也能有效清除。
The city implemented ultra-low emission zones to reduce air pollution and improve public health.
该城市实施了超低排放区域，以减少空气污染并改善公共卫生。