这只狗的毛是灰色的。
Zhè zhī gǒu de máo shì huīsè de.
This dog's fur is gray.
它的毛很短。
Tā de máo hěn duǎn.
Its fur is very short.
我的狗的毛很长。
Wǒ de gǒu de máo hěn cháng.
My dog's hair is very long.