biochemical spoilage

例句：

1. 1.The food was spoiled due to improper storage conditions.
   由于储存条件不当，食物已经变质了。
2. 2. The wine was spoiled, and it had lost its flavor.
   葡萄酒已经变质，失去了原有的风味。
3. 3.The meat was spoiled, and it was no longer safe to eat.
   肉已经变质，不能再食用了。