Knapsacks
n. （士兵或旅行者的）背包( knapsack的复数形式 )
🗣️ 情景例句
He couldn't take time off to come to New York with me.
他走不开 没办法和我一起来纽约。
Why are you so excited?
你为什么这样兴奋？
But some time later it began to rain.
但过了一阵子。天下起雨来，