sterile food

例句：

1. 1. The soil was so poor that the plants were sterile.
   土壤贫瘠，植物不繁殖。
2. 2. The couple had been trying for years to have a child and were finally sterile.
   这对夫妇尝试了多年才决定不再生育孩子。
3. 3.The sterile eggs are used in fertility treatments.
   不育的卵子用于生育治疗。