リュックサックだろう
ryukkusakkudarō
1. Probably a backpack.
★ Common
Noun
#1556954
1. Probably a backpack.
1. rucksack; knapsack
1. seems; I think
2. right?; don't you agree?
1. Probably okay.; It'll probably be alright.
1. Unfortunately likely.; Probably regrettable.
1. Not quite.; Probably not.
1. How old could they be?; Probably around… (age)
1. Backpack's; Of a backpack
1. Probably good at it.; Likely to succeed.
1. With a backpack; By means of a backpack