Packboard
n. (有硬框和背带的)帆布背包
🗣️ 情景例句
Oh, who could that be?
啊，这会是谁呢？
Light troubles speak; great troubles are silent.
小困难，大声叫嚷；大困难，闷生不响。
What happened on the march then?
那么 ，在游行中发生了什么事？