they are having the young pioneers' day.为什么要有冠词the呢?这句话怎么翻译啊?

问题描述:

they are having the young pioneers' day.为什么要有冠词the呢?这句话怎么翻译啊?

应当是这样写的吧:
They are having the Young Pioneers' Day.
the Young Pioneers' Day是由普通名词变过来的专有名词,所以要加the.
不明白的再问哟,请及时采纳,多谢!