Possessive + 毛
The noun 毛 (máo) means 'fur,' 'hair,' or 'feathers.' It refers to the fine hair or fur on animals or the body. It can also appear in compound words like 毛衣 (sweater, literally 'fur clothing') and 羽毛 (feathers).
这只猫的毛又软又亮。
Zhè zhī māo de máo yòu ruǎn yòu liàng.
This cat's fur is both soft and shiny.
冬天到了,小狗的毛变得更厚了。
Dōngtiān dào le, xiǎo gǒu de máo biàn de gèng hòu le.
Winter has come, and the puppy's fur has gotten thicker.
她过敏了,可能是对猫毛过敏。
Tā guòmǐn le, kěnéng shì duì māo máo guòmǐn.
She had an allergic reaction; it might be an allergy to cat fur.