热空气可能会循环流动，从而保证新鲜农产品不会产生冷害或冻害。

Heated air may be circulated to keep fresh produce from incurring chilling or freezing injury.

youdao

进口披萨酱，从摘取到制作完成，6小时，100%保证新鲜口感。

Our Pizza sauce are 100% imported. It takes 6 hours to make it. We can ensure the fresh taste.

youdao

但是油看起来很好并不能保证新鲜，要知道饭馆用的油是否新鲜就更难了。

However, good-looking oil is still not a guarantee of fresh oil, and it's very difficult to know if the oil in restaurant dishes is fresh or not.

youdao