epochal
🇺🇸
/'epəkəl/
🇬🇧
/'epəkəl/
Very important in history because it marks a big change.
The moon landing was an epochal event, changing how we see space exploration.
登月是一個划時代的事件,改變了我們對太空探險的看法。
Showing the start of a new and important time.
The introduction of smartphones was an epochal shift in technology.
智能手機的引入是技術領域划時代的轉變。