The characteristic grey tone is that of titanium carbide.

最具特色的钙化钛灰色调；

youdao

At the first sight of highlight, I was deeply enchanted with a long and continuous white-and-grey tone. Texture of light-colored object seems bright and heavy, setting off by light.

我首先被照片中的高光部分迷住了，在那绵长而无断裂的白色与浅灰的影调展现中，浅色受光物体的肌理显得明朗而厚重。

youdao

The truth is that if your foundation is lighter than your skin tone, it will make your skin looks very grey and dirty, especially when it comes to the afternoon.

其实道理是，如果你使用的粉底比自己的肤色还亮的话，你会看上去比较暗淡，干燥， 特别是在下午的时候。

youdao

His skin flushed from pale blue to beige to a dappled grey, taking on the tone of every piece of coral and rock he encountered.

BBC: The end of a wandering way of life?