crest cloud

例句：

1. 1. The crest cloud is a symbol of the mountain range's highest peak.
   云彩是山脉最高峰的符号。
2. 2. The crest cloud was so high that it obscured the sun.
   云彩如此之高，以至于遮住了太阳。
3. 3. The crest cloud was a reminder of the beauty and mystery of nature.
   云彩是大自然美丽与神秘的提醒。