By having a microwave oven available, restaurants and vending companies could now keep products refrigerator-freshup to the point of service, then heat to order.
利用微波炉，餐厅和售货公司现在可以把用冰箱保存的产品加热到服务所需的温度。
2
A walk in the fresh air will pep you up.
在清新空气中散散步会使你精神振奋。
《牛津词典》
3
Kids just love being able to romp around in the fresh air without having to wrap up warm.