阿里云核验单下载:a few months later这句话的结构是？

副词,做状语.

later是介词，表示几个月以后。

中文是“些个月以后“吗？

A few months later I will go to visit my mother.

Later is always an ADVERB...but LATE can be an ADJECTIVE or ADVERB...

LATER
Function: adverb
: at some time subsequent to a given time : SUBSEQUENTLY, AFTERWARD <four months later> <they later regretted their decision> -- often used with on <experience that will be useful later on>

LATE AS ADJECTIVE:
1 a (1) : coming or remaining after the due, usual, or proper time <a late spring> (2) : of, relating to, or imposed because of tardiness b : of or relating to an advanced stage in point of time or development <the late Middle Ages>; especially : far advanced toward the close of the day or night <late hours>
2 a : living comparatively recently -- used of persons <the late John Doe> and often with reference to a specific relationship or status <his late wife> b : being something or holding some position or relationship recently but not now <the late belligerents> c : made, appearing, or happening just previous to the present time especially as the most recent of a succession <our late quarrel>

LATE AS ADVERB:
1 a : after the usual or proper time <got to work late> b : at or to an advanced point of time
2 : not long ago : RECENTLY <a man late of Chicago>
- of late : in the period shortly or immediately preceding : RECENTLY <has been sick of late>