putrefactive alkaloids

例句：

1. 1. The food was putrefactive when it was left out for too long.
   食物放在外面太久就变腐败了。
2. 2.The old books in the library are all putrefactive and need to be replaced.
   图书馆里的旧书都是腐败的，需要更换。
3. 3. The decaying corpse was putrefactive and had to be removed by the police.
   腐烂的尸体被警方移除。