How to keep fresh of your love?

如何给你的爱情保鲜？

Food can keep fresh in a fridge.

食物放在冰箱里能保鲜。

Food can keep fresh in a fridge.

食物在冰箱里能保鲜。

Matsutake can keep fresh for 3 days at most.

松茸保鲜的极限是三天。

The food doesn't keep fresh in such hot weather.

这样热的天气这种食物不能保鲜的。