沉重的背包压弯了他们的脊背。
我准备休假一年去印度背包旅行。
I'm planning to take a gap year and go backpacking in India.
她在澳大利亚内陆独自背包旅行了八个月。
She went solo backpacking for eight months in the Australian outback.
你不能超过背包的容量。
确保背包尺寸合适，大小和使用者的体型相符。
Make sure the pack fits properly and its size is suitable for the wearer's body.
研究表明，这可能主要是由于使用背包不当造成的。
Research shows that this could be mainly caused by improper use of backpacks.
一个沉重的背包迫使肌肉和脊椎来平衡那些不均的重量。
A heavy backpack forces the muscles and spine to balance the unequal weight.
人们更青睐较小的午餐盒，因为它们能轻松装入背包里。
Smaller lunch boxes are preferred because they fit easily into backpacks.
他补充道：“背包的出现有点改变了午餐盒的使用场景。”
The introduction of backpacks changed the lunch box scene a bit, he adds.
在他的帆布背包里，除了铅笔、笔记本外，他还带了诗集。
In his rucksack he carried, besides pencils and notebooks, poetry.
打岔的是约翰·康第——他背着一个小贩的背包——还有雨果。
The interruption was John Canty--with a peddler's pack on his back--and Hugo.
比如，你知道现在这么多学生背着的背包最初是为军队设计的吗？
Did you know, for example, that the backpacks that so many students carry today were originally designed for the military?
这是越南战争期间一个士兵背包里的物品清单，只是一系列东西而已。
It's a list of the contents of the knapsack of a soldier during the Vietnam War, just a list of the contents.
两个肩带都应该使用，并调整，以便背包适合身体，而不是挂在一边。
Both shoulder straps should be used, and adjusted so that the pack fits the body, without hanging to one side.
你可以构建所有子集，检查重量是否小于背包的重量，然后选择最大值的子集。
You could construct all subsets, check that the weight is less than the weight of the knapsack, and then choose the subset with the maximum value.
在军中服义务役的时候，努尔米带着一支步枪、一条子弹带和一个背包参加了20公里行军。
While serving a compulsory stint in the military, Nurmi entered a 20-k march carrying a rifle, a cartridge belt, and a knapsack.
强劲的沙尘暴可以卷起重物，所以你应该尽量保持低姿态，靠近地面，并用你的手臂或背包保护你的头部。
A strong wind of dust storms can carry heavy objects, so you should try to stay low, and close to the ground, and protect your head with your arms or a backpack.
一旦孩子们开始背书包，那种笨重的传统午餐盒就很难装进去了。“但你不能只往背包里扔个三明治。”贾阿塞卡拉说。
Once kids started carrying book bags, that bulky traditional lunch box was hard to fit inside."But you can't just throw a sandwich in a backpack ," Jayasekara says.
个人飞行的梦想在许多发明家的脑海中仍然鲜活生动，一些人开发循环动力飞行器，另一些人则往喷气背包上大量投入资金。
The dream of personalised flight is still vivid in the minds of many inventors, some developing cycle-powered craft, others pouring money into jetpacks.
自上学以后，你有过多少个背包？
这个背包中等大小，颜色是红色的。
我们把背包存放好，找到了座位。
你可以把手机放在背包里。
一个背包可以输送氧气，让宇航员正常呼吸。
我们知道，大多数背包是由不同的材料制成的。
As we know, most backpacks are produced from different materials.
我发现很多背包客会去其他游客不会去的小地方。
I've discovered that many backpackers visit little places other tourists don't go to.
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