Dreye权威释义

n.

同义参见:

以上来源于：《英汉大辞典》

/ˈrʌksak, ˈrʊk-/

n.

a bag with two shoulder straps which allow it to be carried on the back, used by hikers.

C19: from Ger., from rucken (dial. var. of Rücken ‘back’) + Sack ‘bag, sack’.

以上来源于：《简明牛津英语词典》