这枚邮票是模糊的暗蓝色的，上面盖着一个粗黑色的邮戳。

The stamp was a dark, dull blue colour with a heavy black postmark.

《柯林斯英汉双解大词典》

我有黑色的眼睛，她有蓝色的眼睛。

I have black eyes, and she has blue eyes.

youdao

将黑色的气球和蓝色的气球吹起来。

Blow up the black balloon and the blue balloon.

youdao

There are two upright struts of the ladder, one shown in blue here, the other shown black.

两条上下的主链作为支柱,一条以蓝色表示,一条以黑色表示

耶鲁公开课 - 生物医学工程探索课程节选

The corresponding half of the ladder that corresponds to any given ladder, let's say the black DNA molecule that corresponds to the blue one is not just a mirror image.

与任何单链配对的,另一条单链,比方说与蓝色DNA分子,配对的黑色DNA分子,并不是蓝色DNA分子的镜像

耶鲁公开课 - 生物医学工程探索课程节选