At this point, Goethe was already a well-known author, so he was easily able to popularize this idea of primary colors, and specifically the idea of red, yellow and blue as THE primary colors.

此时，歌德已经是位很有名的作家了，所以他能很容易就把原色的概念推广出去，特别是把红、黄、蓝作为“三原色”的概念并加以推广。

youdao

I'd like to choose blue as my bedroom color.

我想选蓝色作为我卧室的颜色。

youdao

Her eyes were as blue as the sky.

她的眼睛像天空一样蓝。

youdao

But the second baby -- a girl came head first and blue as death.

VOA: special.2009.02.14

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

When I open the blue book, the Yale guideline, the Yale catalog, it's got a page, as you all know, where it says what letter grades mean at Yale.

我打开那本蓝皮书，耶鲁指导手册，耶鲁目录，有这么一页，都见过，讲耶鲁每个评分字母表示什么。

耶鲁公开课 - 死亡课程节选

The inland sky above Boonville is powder-blue as I enter the Mendocino Fairgrounds for the annual Floyd R.

FORBES: Days of Wine and Redwoods

In his own apartment, the AC is housed behind a vented enclosure painted the same colonial blue as the walls.

WSJ: Ugliness for All

When that time comes, it will be blue, blue as all other days are blue, and yet, it will be completely different.

ECONOMIST: New fiction