Dreye权威释义

n.

同义参见:

以上来源于：《英汉大辞典》

n.

a soldier's or hiker's bag with shoulder straps, carried on the back.

C17: from Mid. Low Ger., from Du. knapzack, prob. from Ger. knappen ‘to bite’ + zak ‘sack’.

以上来源于：《简明牛津英语词典》