1、正文
on december 25 of the gregorian calendar, christians commemorate the birthof jesus. we call it christmas. the name of christmas is the abbreviation ofthe mass of christ, which is a kind of liturgy of the christian church. christmas is a religious festival, we celebrate it as the birthday of jesus, so it is also known as christmas.
2、译文
在每年的公历12月25日，是基督教徒纪念耶稣诞生的日子，我们称为圣诞节。圣诞节这个名称是基督弥撒的缩写，弥撒是基督教会的一种礼拜仪式。耶诞节是一个宗教节，我们把它当做耶稣的诞辰来庆祝，因此又名耶诞节。