Mold is usually green, white, black or gray.

霉菌通常为绿色、白色、黑色或灰色。

youdao

Behind the counter, a woman in a long gray dress was holding a white handkerchief.

在柜台后边，有一位身着灰色长裙的妇女，手里拿着一方白手绢。

youdao

Aunt Polly had drooped into a settled melancholy, and her gray hair had grown almost white.

波莉姨妈一直愁云笼罩，她灰白的头发几乎全白了。

youdao

He is so close you can see his white ivory tusks and the deep lines in his gray skin.

VOA: special.2009.08.19

And of course, since it's not just black and white, good life or bad life, but various shades of gray, better lives and worse lives, what's the yardstick by virtue of ? which we measure better and worse lives?

因为不是单纯的黑白，好或坏的人生，两者是混杂的，更好的人生和更坏的人生，衡量更好和更坏人生的,道德标准是什么？

耶鲁公开课 - 死亡课程节选

Near her a gray-haired woman, with her hands full of pink and white roses, watched her sympathetically.

VOA: special.2010.05.15

Coolidge himself winds up unscathed, a sort of gray white whale that has eluded its baleful hunter.

NEWYORKER: Less Said

Painted gray, white and brown, the figure poses in a seated position, hunched slightly and covering its eyes.

WSJ: Up in the Air | Making It

He opened his thick, black coat, and out popped the head of a tiny gray and white kitten.

FORBES: The Ground Zero Kitten