turn hair grey的用法和样例：
- Does Fleece-Flower Turn Hair Black or Gray?
- Title： Does Fleece-Flower Turn Hair Black or Gray?
- Much knowing has turned my hair grey， and much watching has made my sight dim.
- My black hair have turn completely grey.
- When Jennie saw him in his dusty, baggy clothes, his hair grey, his eyebrows shaggy, coming out of the dark door, a keen sense of the pathetic moved her again.