grayingn.变灰动词gray的现在分词.grayadj.灰色的；暗淡的n.灰色；暗淡v.变灰色；使 ... 变灰色Grayn.格雷(男子名)grayness after rubbing擦后变质(家具涂饰时用油打光过早而发灰)Gray Prediction Method灰色预测Gray-throated Barbetn.灰喉拟啄木鸟gray connection method灰色关联度法gray target transition灰靶变换gray decision-making灰色决策gray system prediction灰色系统预测Gray Oral Reading Test格雷朗读测验格雷朗读测验gray evaluation weight灰色评价权Gray linear regression灰色线性回归

1. When the eagle is dead,the crow pick out his eyes.
   雄鹰死，鸦啄眼。
2. Confusion between the crow and the rook is quite common.
   把乌鸦和白嘴鸦弄混是很平常的事。