宿:旧有的;蠹:大蛀虫。积久的弊政隐藏着坏人。
读音:sù,xiù,xiǔ
[sù,xiù,xiǔ]
读音:dù
[dù]
读音:cáng,zàng
[cáng,zàng]
读音:gān,jiān
[gān,jiān]