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1·The reason is obvious: the graying of America means jobs.

原因是显而易见的：美国的人口老龄化意味着更多工作机会。

2·Everyone's hair is graying.

每个人的头发都是灰色的。

3·Europe is rich, but placid and graying.

欧洲是丰富，但平和和灰色。

4·She had black hair, graying at the temples.

她一头黑发，鬓角处开始变灰白了。

5·Of course it is. Everyone's hair is graying.

当然，每个人的头发都会变灰。

6·What’s worse (to my critics) is that my hair is graying.

一些批评者认为更糟糕的是我的头发是灰色的。

7·What's worse (to my critics) is that my hair is graying.

一些批评者认为更糟糕的是我的头发是灰色的。

8·It is a good remedy for hair loss and prevents hair from graying.

这是一个很好的补救办法，并防止头发脱落的头发花白。

9·A rinsing agent used to give a silver tint to gray or graying hair.

染剂一种将灰色染成银白色的染剂。

10·Another interview turned me down because, he said, my hair was graying.

在另一次面试时，面试者拒绝录用我，因为他说我的头发白了。

(1)gray level灰度

(1)gray iron灰口铸铁

(1)gray scale灰度；灰阶

(1)gray cast iron灰口铸铁

(1)gray hair白发

(1)gray value灰度值；灰值