这位白发的农民默想着他过去所受的苦难.The hoary peasant mused over his past sufferings.白发的产生部分原因是褪黑素减少或完全停止产生褪黑素.Gray hair results when, for some reason, the production of melanin is reduced, or stops completely....

“白发的”的英语可以翻译为：white-headed，[医] hoary，leukotrichous ...