- a rucksack or knapsack
- a pack carried on the back of an astronaut, containing oxygen cylinders, essential supplies, etc
- (intransitive) to travel about or go hiking with a backpack
单词 | backpack |
释义 | WordReference Random House Learner's Dictionary of American English © 2024 back•pack /ˈbækˌpæk/USA pronunciation n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024
v. [no obj]
back•pack (bak′pak′),USA pronunciation n.
v.i.
v.t.
Collins Concise English Dictionary © HarperCollins Publishers:: backpack /ˈbækˌpæk/ n
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