Rhinos have thick, grayish skin, which wrinkles and folds like plates of armor.

犀牛皮肤厚实且呈灰色，身上褶纹就像铠甲。

" I don't think so, " he said, and turned to a big tired-looking man with iron-gray hair.

“我不这么认为， ” 他说，然后转向一个起来疲惫不堪、头发呈铁灰色大个子男人。

Yesterday's rain had cleared; the sky was a clear, pale gray, and the grass was springy and damp underfoot as they set off for their first ever Care of Magical Creatures class.

昨天雨已经停了，天空晴朗，呈浅灰色，脚下草地松软而潮湿，这时他们去上第一堂保护神奇生物课。