相关单词近義詞 backpack 雙肩背包, knapsack 背包, haversack 肩背包, back pack 背包, rucksack 帆佈背包臨近詞Packe, pack, packed factor, packed weight, packaging hue, packaging bag, packless type, packing space, pack of cards, packing drier, packed piston, packing knife 返回 packsack