Sorrow has grayed his head.是什么意思？

Sorrow has grayed his head.

忧伤使他头发变得灰白.

sorrow

n. 悲痛，悔恨，惋惜，伤心事；vt.& vi. 悲痛，遗憾；

例句
As he looked at Katherine, great sorrow clouded his eyes.
他看着凯瑟琳，满眼忧伤。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

grayed

变灰的；

例句
Sorrow has grayed his head.
忧伤使他头发变得灰白.

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

head

n. 上端，头脑，头部，首脑，首长；vt. 用头顶，前进，作为…的首领，站在…的前头；vi. 朝…行进，出发，向…方向移动，船驶往；adj. 头的，在前头的，首要的，在顶端的；

例句
His shaven head accentuates his large round face...
光头使他的大圆脸更加突出。