postbag

剑桥词典

[ 不可数或单数名词：没有复数形式的名词 ]
the number of letters received at one time or on one subject
一次发送（或收进）的信件；（有关同一主题的）一批信件
It was clear from our postbag that viewers were unhappy about the programme . 从我们收到的来信可以清楚看出，观众们对这个节目不满意。
[ 可数名词：有复数形式的名词 ]
a large strong bag used by the Post Office for transporting and carrying letters and parcels
邮袋 返回 postbag