Apple Juice
jugo de naranja -orange juice
It means, "orange:" the fruit.
Jugo de naranja means orange juice in Spanish.
"Jugo de toronja" means grapefruit juice in Spanish.
"grape juice"
"Pluma" means "ink pen" in English.
It's "el jugo" so it's masculine. Las manzanas is feminine. "de" is a preposition and it's neither masculine, feminine nor neuter.
zumo de manzana
Pastel de manzana.
El jugo de plum
Jugo de ciruela.
tomar jugo de jiltomate