s (used of opinions and actions) far beyond the norm
a. 过分的, 极端的
n. 极端主义者, 过激论者, 急进论者
1. The ultra marathon is a challenging race that lasts over 26 miles.
超马是一个挑战性的比赛，距离超过26英里。
2. She bought an ultra-thin laptop that is easy to carry.
她买了一台超薄的笔记本电脑，方便携带。
3. This new phone has an ultra-high-definition screen for better picture quality.
这款新手机拥有超高清屏幕，画质更好。