stale

我们不得不扔掉不新鲜的面包。

We had to throw away the ___stale bread.

蛋糕如果不盖好会很快变得不新鲜。

Cake goes ___stale quickly if it's not covered.

早餐面包不新鲜，没有食欲。

The bread for breakfast was ___stale and unappetizing.