将面包存放在密封容器中以防止它变得不新鲜。

Store bread in an airtight container to prevent it from going ___stale.

我们不得不扔掉不新鲜的面包。

We had to throw away the ___stale bread.

早餐自助餐令人失望；连糕点都不新鲜了。

The breakfast buffet was disappointing; even the pastries were ___stale.