Her hair gradually coarsened as she grew older.是什么意思？

Her hair gradually coarsened as she grew older.

随着年龄的增长，她的头发逐渐变粗糙了。

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

hair

n. 头发，毛发，（动、植物的）毛，一丝丝，些微，毛发织物；

例句
The wind pushed his hair across his face.
他的发丝随风拂面。

gradually

adv. 逐步地，渐渐地，按部就班地，日趋，冉冉；

例句
He has gradually acquiesced to the demands of the opposition...
他渐渐顺从了反对派的要求。

coarsened

v. （使）变粗糙( coarsen的过去式和过去分词 )；

例句
...his gnarled, coarsened features.
他那饱经风霜、粗糙的脸

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

grew

v. 种植( grow的过去式 )，扩大，扩展，增加；

例句
One afternoon, I grew bored and actually fell asleep for a few minutes...
一天下午，我觉得有些无聊，还真的睡着了一小会儿。

older

adj. 年长的，老的( old的比较级 )，古老的，以前的，（用于指称被替代的东西） 原来的；

例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。