Jan的全称是January，是一月的意思。
January
英 [ˈdʒænjuəri] 美 [ˈdʒænjueri]
n.一月;[人名] 贾纽厄里
扩展资料
1、They will have to pay much more when rents treble in January .
一月份房租增加两倍时，他们将被迫多付不少钱。
2、He retires next January .
他明年一月退休。
3、David Rowland is almost certain to succeed him as chairman on January 1 .
戴维·罗兰将在1月1日接替他任主席几乎已成定局。
4、The company closed down operations and began liquidating its assets in January.
公司停止了各项业务，于1月份开始变卖资产。
5、The attempted coup took place in January.
那场未遂政变发生在1月份。