with a bow tie an suspenders 为什么这句有两个名词?

题目

with a bow tie an suspenders 为什么这句有两个名词?
He always wears a yellow t-shirt with a bow tie an suspenders.
a Bow tie和an suspenders
这句为什么有两个名词接在一起?

答案

我觉得是打错字,an 应该是and
He always wears a yellow t-shirt with a bow tie AND suspenders.