YOU SAID:
my mom just picked me from school
INTO JAPANESE
母がちょうど私を学校から迎えに来たところです
BACK INTO ENGLISH
my mother has just picked me up from school
INTO JAPANESE
母がちょうど私を学校に迎えに来たところです
BACK INTO ENGLISH
my mother has just picked me up from school
That didn't even make that much sense in English.