backpack

Từ điển Oxford Advanced Learner 8th

back·pack [backpack backpacks backpacked backpacking] noun, verb BrE [ˈbækpæk] NAmE [ˈbækpæk]
noun (especially NAmE) (BrE also ruck·sack)
a large bag, often supported on a light metal frame, carried on the back and used especially by people who go climbing or walking

Example Bank:
•She swung her backpack over her shoulder.
•He was wearing a heavy backpack.
Derived Word: ↑backpacker
 
verb intransitive (usually go backpacking)
to travel on holiday/vacation carrying your equipment and clothes in a ↑backpack
•They went backpacking in Spain last year.
Verb forms:

Example Bank:
•Have you ever been backpacking?
•My son's backpacking in Thailand at the moment.
•They went backpacking in Peru last year.
•They were planning to backpack round the world for a few months.

 
See also: ↑rucksack