orange 的意思有三种.
1.COLOUR 颜色词橙色；橙黄色 Something that is orange is of a colour between red and yellow.
...men in bright orange uniforms.
身着亮橙色制服的人
2.N-VAR 可变名词橙；甜橙 An orange is a round juicy fruit with a thick,orange coloured skin.【搭配模式】：oft N nAn orange a day will give you all the vitamin C you need.每天吃一个橙子能充分摄取所需的维生素C.
...orange trees.
橙树
...fresh orange juice.
鲜橙汁
3.N-UNCOUNT 不可数名词橙汁；橘子水 Orange is a drink that is made from or tastes of oranges.
...vodka and orange.
橙汁伏特加酒
所以,结合这三种解释,这句话可以翻译为：
橙汁是由橙色的橙子榨成的.