gōng / yuán / de / tiě / lán / yǐ / jīng / shēng / xiù / xū / yào / jǐn / kuài / chóng / xīn / shuā / qī公园的铁栏已经生锈,需要尽快重新刷漆。The park's metal railing has rusted and needs to be repainted soon.