rotten due to insect bites

例句：

1. 1. The old books are rotten withage.
   这些旧书因年代久远而变得破旧。
2. 2. The meat was rotten beforeit even reached the table.
   这肉还没到餐桌就烂了。
3. 3. Thepotatoes were rotten andhad to be thrown away.
   土豆烂了，不得不扔掉。