mouldy rice-grains

例句：

1. 1. The old grains have turned into mouldy rice in the storage warehouse.
   仓库里的旧谷物已经变成了霉变的大米。
2. 2. The farmer's son was so hungry that he ate a lot of mouldy rice.
   农民的儿子饿极了，吃了很多的霉变大米。
3. 3.He had to throw away the mouldy rice because it was unsafe to eat.
   他不得不扔掉那些霉变的大米，因为它不安全可以食用。