adj.

1.过去的，在前的，以前的

2.昔日的；前

3.（两者中）前者的

n.

形成者，模型，样板

英语解释

referring to the first of two things or persons mentioned (or the earlier one or ones of several)

belonging to the distant past

the first of two or the first mentioned of two

(used especially of persons) of the immediate past

belonging to some prior time