Zhè / běn / jiù / shū / fàng / zài / cháo / shī / de / fáng / jiān / lǐ / fēng / miàn / jiàn / jiàn / fàn / huáng / le这本旧书放在潮湿的房间里,封面渐渐泛黄了。The cover of this old book gradually turned yellow in the damp room.