石墨化;斑白;
例句:
Your hair is greying. Do you want to have it dyed?
您的头发变白了. 您是否要染一下?
There used 2 be a greying tower alone on the sea.
海上曾经孤立着一座石墨化的塔.
Clouds are greying the sky.
云层使天空灰暗.