B至少天空是晴朗、蔚蓝的。

B At least the sky is clear and blue.

youdao

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.

youdao

蔚蓝的天空未必保证天气持续晴朗。

Blue skies are not necessarily a guarantee of continuing fine weather.

youdao

晴朗的天空为什么呈现蔚蓝色？

Why does the sunny sky look so blue?

youdao

晴朗的天空为什么呈现蔚蓝色？

Why does the sunny sky look so blue?

youdao