knapsacks

knapsacks[ˈnæpˌsæks] 

原级:knapsack

knapsacks 基本解释
背包( knapsack的名词复数 );
knapsacks 单语例句

1. It is common for people to carry their bags in knapsacks in front of their chests instead of on their backs in many Guangdong cities.

2. 911chaxun查询·英语单词

2. It said the attackers were believed to have used the building to prepare the explosives and stuff them into knapsacks.

以上为单词解释
学习应用类查询