Why is the grass green and the sky blue?

为什么草是绿的，而天是蓝的？

youdao

As long as the whole of our society keeps trying, we will make our sky blue again.

只要我们全体社会继续努力，我们将会让天空再次变蓝。

youdao

He colored the flower red and the sky blue.

他把花涂成红色，天空涂成蓝色。

youdao

This was because all you could see was the very blue sky and the very hot sun.

VOA: special.2009.01.14

Maybe it could refer to either the poet or the sun throughout the entire line, if you think of the mantle blue as being the actual sky that the sun is able to twitch over his shoulder.

或者两者皆可,从整句的行文看来，如果你们把蓝色的丝巾看作是真实的天空的话,那么太阳的确是能够在他的肩上轻轻颤动。

耶鲁公开课 - 弥尔顿课程节选

I think it was because people were overselling investments and saying, there's no limit to this investment but the blue sky above.

我想这是因为,当时人们过度宣传投资产品,并宣称,投资收益无止境,如头顶的蓝天那么遥远

耶鲁公开课 - 金融市场课程节选

While there, Lamb helped Hunt paint the ceiling of his cell sky blue with white clouds.

NPR: Part One

Instead of the walls whispering of emerald green, claret and sky blue, they now shout luxury.

ECONOMIST: London's National Gallery

The incident happened near to the roundabout at Gosford Street and Sky Blue Way, West Midlands Police said.

BBC: Woman sexually assaulted in Coventry on New Year's Day