watery blue

例句：

1. 1.The sky was a beautiful shade of blue-green.
   天空是美丽的蓝绿色。
2. 2. The ocean is a deep, greenish-blue color.
   海洋是深绿色的蓝色。
3. 3. The water in the lake is a clear, watery blue.
   湖里的水是清澈的，水蓝色的。