1 backpack /ˈbækˌpæk/ noun plural backpacks
plural backpacks
Learner's definition of BACKPACK
[count] chiefly US
: a bag for carrying things that has two shoulder straps and is carried on the back双肩背包 — called also (chiefly US) knapsack, (chiefly British) rucksack
— see picture at camping 2 backpack /ˈbækˌpæk/ verb
backpacks; backpacked; backpacking
2 backpack
/ˈbækˌpæk/
verb
backpacks; backpacked; backpacking
Learner's definition of BACKPACK
[no object]
: to hike or travel with a backpack背包旅行 -
After college, she backpacked through/around Europe.大学毕业后,她背着背包游览了欧洲各地。
-
We're planning to go backpacking in a national park this summer.我们打算今年夏天去国家公园背包旅游。
— backpacker
noun, plural backpackers [count]