单词：greying
音标：['ɡreiiŋ] ；
a. 石墨化的；发灰色的
v make grey
v turn grey
v turn grey
词型变化：名词复数形式 : greyings
greying的用法和样例：
例句
- He gazed ruefully in the mirror at his greying locks.他凝视著镜中自己日见花白的头发，感慨岁月不待人。
- He was 50 and greying.他那时50岁头发就渐白了。