第三人称复数：rucksacks
1. 帆布背包：ruckle 弄绉 | rucksack 帆布背包 | ruckus 喧闹
2. 背包：Suspenders吊带 | Rucksack背包 | Toe鞋头
3. 背囊：knapsack 旅行用帆布或皮制背包 | rucksack 背囊 | haversack 小帆布背囊
1. rucksack什么意思
1. （登山或远足时用的）背包，旅行包
A rucksack is 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.
1. A wallet and credit cards were snatched from a rucksack in the Naafi club and several purchases made on the cards.
2. I locked my bicycle, put my wallet and watch in my rucksack and used it as a pillow.
3. rucksack是什么意思
3. The man ran away from the embassy on Monday after his rucksack triggered metal detectors at the entrance.