这面包已经不新鲜了。

This bread is already stale.

我不喜欢喝不新鲜的牛奶。

I don't like drinking stale milk.

这些饼干尝起来有点不新鲜。

These cookies taste a bit stale.

这面包不新鲜，很难吃。

The bread is stale and hard to eat.

喝不新鲜的水会让你生病。

Drinking stale water can make you sick.

你应该扔掉那些不新鲜的水果。

You should throw away those stale fruits.

空气有点不新鲜，我们开窗吧。

The air feels a bit stale, let's open the window.

花瓶里的花不新鲜了，需要更换。

The flowers in the vase are stale and need to be replaced.

饼干放了一夜后变得不新鲜了。

The cookies have become stale after being left out overnight.

房间里关了这么久，空气感觉不新鲜。

The air in the room felt stale after being closed for so long.