It was a lovely afternoon with a blue sky and a few fleecy white clouds.

那是个美丽的下午，蓝蓝的天空中飘着几朵轻软的白云。

《柯林斯英汉双解大词典》

The superintendent was in fact preparing iron ferrocyanide, a substance also known as Prussian blue, a pigment used in paints.

这种物质一个更通俗的名称叫做普鲁士蓝，是一种绘画用的颜料。

youdao

PNAS. Dark red is an increase of 0.3 millimeters per day; dark blue, a decrease of 0.3 millimeters.

美国国家科学院院刊.深红代表每天0.3毫米的增长；深蓝代表0.3毫米的下降。

youdao

A nice little garden in front of the house was full of blue and yellow flowers.

VOA: special.2009.07.04

I remember when I was a student of one of the biggest classes at the University of Michigan--go blue!

我记得在密歇根大学读书的时候,我们在橄榄球赛的时候会喊"冲啊 蓝色军团"

耶鲁公开课 - 欧洲文明课程节选

And this puzzle piece here colored in blue because it's a Boolean expression is just something that--whose answer is either a yes or no, 0 true or false, one or zero.

这个拼图染成蓝色,因为它是布尔表达式,它的结果只可能是肯定或否定，对或错，1或者。

哈佛公开课 - 计算机科学课程节选

But IBM also coded into Deep Blue a memory bank of Kasparov's playing tendencies.

FORBES: The Smartest Of Them All

When he was last seen he was wearing black trainers, dark blue or black jogging bottoms, a blue fleece and had a blue rain jacket.

BBC: Wife of missing Arbroath marine urges him to come home

The chain, which had scotched its signature blue A-frame design in favor of big boxes that can seat more customers, is testing a new prototype that uses the A-frame as a restaurant's entranceway.

FORBES: Breakfast Breakout