| 例句 |
rucksacknoun a soft-sided case designed for carrying belongings especially on the backhikers carrying their food and water in rucksacks backpack, kit bag, knapsack, pack, packsack haversackcarryall, carry-on, grip, handbag, holdall(chiefly British), portmanteau, suitcase, traveling bagfanny pack, school bag, seabagovernight bag, overnight case, weekend bag in 1853 |