Hacker News · 首页· giuliomagnifico·· 2026-10-02AI 评分8
科学家发明水下"雨伞"保护珊瑚礁
Scientists invent underwater umbrellas to protect coral reefs
AI 导读
科学家发明了水下"雨伞"装置，通过遮挡直射阳光来防止珊瑚白化。Hacker News 网友在评论中指出，umbrella（雨伞）防的是落水，挡光应称 parasol（阳伞）。
正文
 | x______________ 4 hours ago | [–] Stopping direct sunlight exposure to help stop coral bleaching is an awesome idea. Have to nitpick though, umbrellas protect you from falling water, parasols block light. |
来源：Hacker News · 首页 · news.ycombinator.com