雪白的山峰同蔚蓝的天空交相辉映.This white peak contrasts finely with the blue sky.蔚蓝的天空晴朗无云.The sky is quite blue and cloudless.蔚蓝的天空不一定担保天气持续晴朗.Blue skies are not a guarantee of continuing fine weather....

“蔚蓝的”的英语可以翻译为：sky blue，cerulean ...