Grayckn.格雷克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)gray level matrix灰度共生矩阵gray-market car灰标志车gray code counter格雷编码计数机gray mold disease灰霉病Grayscale Scanner灰度扫描器gray spot disease灰斑病gray-scale mask灰度掩模gray glass filter灰玻璃滤光片, 中性滤光片gray rubber sheet灰色橡胶板gray scale images灰度图像