cerulean blue

例句：

1. 1. The sky was a deepcerulean blue that day.
   那天的天空是深蓝色的。
2. 2. She wore a cerulean blue dress to the wedding.
   她穿着一件天蓝色的连衣裙参加了婚礼。
3. 3. Theocean is a cerulean bluesea.
   海洋是一片蔚蓝色的大海。