果汁用英文表达是：fruit juice；
fruit：n. 水果; 果实; (大地的)产物; 农产品。
juice：n. 果汁; 菜汁; 果汁(或菜汁)饮料; 肉汁; 胃液; 消化液。
相关介绍
The optimal production conditions of fruit juice milk were determined.
探讨了果汁牛奶的生产工艺条件。
This actually also goes for wine as well as fruit juice.
红酒和果汁的酿造过程中也有这道工序。
Research on determinating methods of Vc content in deep fruit juice
深色果汁饮料中维生素C含量测定方法的研究
Passionflower Fruit Juice Processing and Research on Juice Content Examination Method
西番莲果汁加工及其原汁含量检测方法的研究
16. Drink water before bed, not fruit juice.
16.睡前喝点水，别喝果汁。
