rucksack
英 [ˈrʌksæk]
美 [ˈrʌksæk]
n. (尤指登山者或远足者使用的)背包，旅行包
复数：rucksacks 过去式：rucksacked
Collins.1 / BNC.12477 / COCA.24144
牛津词典
noun
- （尤指登山者或远足者使用的）背包，旅行包
a large bag, often supported on a light metal frame, carried on the back and used especially by people who go climbing or walking
柯林斯词典
- （登山或远足时用的）背包，旅行包
Arucksackis a bag with straps that go over your shoulders, so that you can carry things on your back, for example when you are walking or climbing.
in AM, usually use 美国英语通常用knap-sack, pack, backpack
英英释义
noun