The sky is clear and blue, the sunlight dazzling.

蔚蓝天空， 阳光灿烂。

《新英汉大辞典》

The sky is clear and bright without a speck of cloud.

天空晴朗， 一星星云彩也没有。

《新英汉大辞典》

B At least the sky is clear and blue.

B至少天空是晴朗、蔚蓝的。

youdao

Beneath the surface of the water they are a creamy turquoise, and when the sky is clear, as it is now, the cerulean reflection on the sea is otherworldly.

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The sky is clear.

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Our only feedback for ASUS here is that the locations of some of the photos were a bit off (for instance, this author was never on the north bank in the above map), which is weird considering the sky was clear at the time, plus there weren't many tall buildings.

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