Knapsacks
n. （士兵或旅行者的）背包( knapsack的复数形式 )
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
I said, Do you need any help?
我是说:你需要帮忙吗？"
That's a big box. Is it heavy? Please let me help you.
这是个大盒子。重吗？让我来帮你。