The weather this morning is sunny with bright sunshine and a cloudless blue sky.

今天早上，天气晴朗，阳光明媚，碧空万里乌云。

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Not so in winter, yet the bare trees against the backdrop of a cloudless blue sky, punctuated by vultures riding the thermals, provided a stark beauty all of its own.

而冬天的景致则全然不同，光秃的树木、蔚蓝的长空以及几只乘着气流翱翔的秃鹫共同组成了一幅独具特色的苍凉画卷。

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A cloudless, deep-blue sky looked down on them, for the wind had driven away every little cloud in the night.

万里无云，湛蓝的天空俯视着他们，风把夜晚的每一片云彩都吹走了。

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The sky is still a perfect cloudless blue and the forecasters have dropped their previous prediction of rain by the weekend.

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But a clear, cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more easily than they do red light.

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