“an orange orange”怎么读？

【造句】：1.An 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。2.This is an orange.这是一个橙子。3.This is an orange bird.这是一只橙色的鸟。4.Nice and easy to drink, this is an orange-juice Baybreeze, and belongs in that...