knapsack

简明释义

英[ˈnæpsæk]美[ˈnæpsæk]

n. 背包

复 数 k n a p s a c k s

英英释义

单词用法

同义词

反义词

例句

1.Suddenly there was a buzzing from the knapsack. A bee flew out and up to the littlest knight's ear.

就在此时骑士的背囊里传来了嗡嗡声，一只蜜蜂飞到他耳畔轻声说道。

2.Bink set off on foot, wearing a stuffed knapsack and bearing a good hunting knife and a home-cut staff.

宾克徒步上路了，他背着一个装得满满当当的背包，身上挎一把锋利的猎刀，手执一根自家削制的木棒。

3.The moment he received the order, the soldier packed his knapsack.

士兵一接到命令就打了背包。

4.So how long it takes to run is related to how many items I end up being able to fit into the knapsack.

所以，运行的时间是和我能够，装进背包的物品数目有关的。

5.I take the smallest possible knapsack, containing a map, a notebook, money, a pen, a pencil in case the pen lets me down, plasters for blisters, my door-keys.

我带上尽可能小的背包，包括一张地图、一个笔记本、钱、一支钢笔、一支铅笔以防钢笔让我失望，还有水疱的药膏、我的门钥匙。

6.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.

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。

7.Therefore, the hybrid intelligence algorithm is effective to solve 0-1 knapsack problems.

因此，应用该混合智能算法求解0 - 1背包问题是比较有效的。

8.There was more ginseng than his father could have dreamed of, a hillside spangled with bright yellow leaves, enough roots to bulge Jesse's knapsack.

那里有比他父亲所能想象的更多的人参，满山坡的明亮的黄叶子闪闪发光，足够塞满杰希的背包。

9.I packed my knapsack with all the essentials for our hiking trip.

我把所有必需品装进我的背包，准备去远足。

10.He slung his knapsack over his shoulder and set off for the mountains.

他把背包扔在肩上，出发去山里。

11.The student carried a heavy knapsack filled with books to school every day.

这个学生每天都背着一个装满书的沉重背包去上学。

12.During the camping trip, we stored our food in a waterproof knapsack.

在露营旅行中，我们把食物放在一个防水的背包里。

13.She found a lost knapsack at the park and took it to the lost and found.

她在公园里发现了一个丢失的背包，并把它带到失物招领处。

作文

The term knapsack refers to a type of bag that is typically carried on the back, designed for carrying personal items or supplies, especially during outdoor activities like hiking or camping. In recent years, the popularity of hiking has surged, and with it, the demand for quality knapsacks has increased. A good knapsack is essential for anyone who enjoys exploring nature, as it allows them to carry everything they need while keeping their hands free. When choosing a knapsack, there are several factors to consider. First, the size of the knapsack is crucial. It should be large enough to hold all necessary items, such as water, food, clothing, and first aid supplies, but not so large that it becomes cumbersome. Many people prefer a medium-sized knapsack that can comfortably fit the essentials without being too heavy. Another important aspect is the material of the knapsack. Most knapsacks are made from durable, weather-resistant materials that can withstand various outdoor conditions. This is particularly important if you plan to hike in areas where rain or rough terrain is a possibility. A waterproof knapsack will help keep your belongings dry and protected. Comfort is also a key factor when selecting a knapsack. Look for features such as padded shoulder straps and a supportive back panel. These elements can make a significant difference during long hikes, preventing discomfort and allowing you to enjoy your adventure fully. Additionally, some knapsacks come with adjustable straps, which can help distribute weight evenly across your back. Furthermore, many modern knapsacks include specialized compartments or pockets for organizing gear. For instance, a dedicated pocket for a water bottle, a section for snacks, or a compartment for a sleeping bag can enhance the functionality of the knapsack. These features help hikers access their items quickly and efficiently, making the overall experience more enjoyable. Aside from practical considerations, the design of a knapsack can also reflect personal style. There are countless colors and patterns available, allowing individuals to express themselves while enjoying the great outdoors. Whether you prefer a bright, eye-catching design or a more subdued, classic look, there is a knapsack out there to suit your taste. In conclusion, a knapsack is an indispensable accessory for anyone who loves outdoor activities. It provides a convenient way to carry essential items while allowing for freedom of movement. By considering factors such as size, material, comfort, organization, and design, individuals can find the perfect knapsack to accompany them on their adventures. With the right knapsack, every hike can become a memorable journey into nature, filled with exploration and discovery.

“背包”这个词指的是一种通常背在背上的包，专为携带个人物品或供应品而设计，尤其是在远足或露营等户外活动中。近年来，远足的受欢迎程度激增，随之而来的是对优质背包的需求增加。对于任何喜欢探索大自然的人来说，一个好的背包是必不可少的，因为它可以让他们携带所需的一切，同时保持双手自由。 选择一个背包时，有几个因素需要考虑。首先，背包的大小至关重要。它应该足够大，以容纳所有必要的物品，如水、食物、衣物和急救用品，但又不能大到让人感到笨重。许多人更喜欢中等大小的背包，可以舒适地放下必需品，而不会太重。 另一个重要的方面是背包的材质。大多数背包由耐用、防风雨的材料制成，能够承受各种户外条件。如果你计划在可能下雨或地形崎岖的地区远足，这一点尤其重要。防水背包将有助于保持你的物品干燥和安全。 舒适度也是选择背包时的关键因素。寻找带有衬垫肩带和支撑后背的功能。这些元素在长时间远足时可以产生显著的差异，防止不适，让你充分享受冒险。此外，一些背包配有可调节的带子，可以帮助均匀分配背部的重量。 此外，许多现代背包还包括专门的隔层或口袋，以便整理装备。例如，专用的水瓶口袋、零食区或睡袋隔层可以增强背包的功能性。这些功能帮助远足者快速高效地获取物品，使整体体验更加愉快。 除了实用考虑，背包的设计也可以反映个人风格。有无数颜色和图案可供选择，允许个人在享受大自然时表达自己。无论你喜欢明亮、引人注目的设计，还是更低调、经典的外观，都有一款适合你品味的背包。 总之，背包是任何热爱户外活动的人不可或缺的配件。它提供了一种方便的方式来携带必需品，同时允许自由移动。通过考虑大小、材质、舒适度、组织和设计等因素，个人可以找到完美的背包，陪伴他们进行冒险。拥有合适的背包，每次远足都可以成为一次难忘的自然之旅，充满探索和发现。