总的来说,食物坏了的常用英文句型是The food has gone bad. 如果想说过期了has expired.
情景会话1 我和室友Kelly做早餐
Zoey: Could you grab the milk from the fridge, please? (请你从冰箱里拿点牛奶好吗?)
Kelly: Eww, The milk has gone bad. It smells terrible.(额,牛奶变坏了,闻起来很可怕。)
情景会话2 我去好友Linda家玩
Zoey: I'm thirsty. Can you pour me a glass of orange juice? (我口渴了。你能给我倒一杯橙汁吗?)
Linda: Oh no, the juice has expired! We need to buy a fresh bottle.(哦不,果汁过期了! 我们需要买一瓶新的。)