closed container

简明释义

密闭容器

英英释义

A closed container is a receptacle that is sealed or covered, preventing the entry of external air or contaminants.

封闭容器是一个密封或覆盖的容器,防止外部空气或污染物的进入。

例句

1.To keep food fresh, always use a closed container when storing leftovers.

为了保持食物新鲜,存放剩菜时请始终使用密闭容器

2.You should keep your paints in a closed container to prevent them from drying out.

您应该将油漆存放在密闭容器中,以防止其干燥。

3.When baking, make sure to keep the flour in a closed container to avoid moisture.

烘焙时,确保将面粉放在密闭容器中以避免潮湿。

4.For safety, transport hazardous materials in a closed container.

为了安全,运输危险材料时请使用密闭容器

5.Always store chemicals in a closed container to prevent spills.

始终将化学品存放在密闭容器中以防止泄漏。

作文

In our daily lives, we often encounter various objects and materials that are stored in a closed container. A closed container refers to any vessel or receptacle that is sealed or covered in such a way that its contents cannot escape or be contaminated by external elements. This concept is crucial in many fields, including science, cooking, and even in our personal storage practices. Understanding the importance of a closed container can help us appreciate its role in preserving the quality and safety of different substances.One of the most common examples of a closed container is a jar with a lid. When we store food items like jams, pickles, or sauces in a jar, the lid acts as a barrier against air, bacteria, and other contaminants. This not only extends the shelf life of the food but also maintains its flavor and nutritional value. Without a closed container, these food items would spoil quickly, leading to waste and potential health risks.In scientific experiments, the use of a closed container is essential for ensuring accurate results. For instance, when conducting a chemical reaction, researchers often use test tubes or flasks that are sealed to prevent any gases or liquids from escaping. This containment allows scientists to measure reactions precisely and keeps the environment controlled, which is vital for drawing valid conclusions. If the container were open, it could lead to contamination or loss of materials, skewing the results of the experiment.Moreover, in the realm of cooking, a closed container plays a pivotal role in the preparation of certain dishes. For example, when baking bread, dough is often placed in a closed container to allow it to rise. The container traps heat and moisture, creating an ideal environment for yeast to ferment and produce carbon dioxide, which causes the dough to expand. If the dough were left uncovered, it would dry out and fail to rise properly, resulting in a dense, unappetizing loaf.In addition to food and scientific applications, closed containers are also vital for safe transportation. Whether it's shipping chemicals, pharmaceuticals, or fragile items, using a closed container ensures that goods arrive at their destination intact and uncontaminated. For example, hazardous materials must be transported in specially designed closed containers to prevent leaks and spills that could pose risks to public safety and the environment.On a smaller scale, we use closed containers in our homes for organizing and storing various items. From plastic bins to boxes with lids, these containers help keep our living spaces tidy and protect our belongings from dust and damage. For instance, seasonal clothes are often stored in closed containers to prevent them from getting musty or damaged while not in use.In conclusion, the significance of a closed container cannot be overstated. Whether in food preservation, scientific research, cooking, transportation, or everyday organization, these containers serve a critical purpose in maintaining the integrity and safety of their contents. By understanding and utilizing closed containers effectively, we can enhance our quality of life, ensure safety, and reduce waste. Therefore, the next time you encounter a closed container, take a moment to appreciate its essential role in our daily activities and the broader world around us.

在我们的日常生活中,我们经常会遇到存放在密闭容器中的各种物品和材料。密闭容器是指任何以某种方式密封或覆盖的容器,使其内容物无法逃逸或被外部因素污染。这个概念在许多领域都至关重要,包括科学、烹饪,甚至是我们个人的储存实践。理解密闭容器的重要性可以帮助我们欣赏它在保持不同物质的质量和安全性方面的作用。最常见的密闭容器示例之一是带盖的罐子。当我们将食物如果酱、腌菜或调味酱存放在罐子中时,盖子充当了防止空气、细菌和其他污染物进入的屏障。这不仅延长了食物的保质期,还保持了其风味和营养价值。如果没有密闭容器,这些食物很快就会腐坏,导致浪费和潜在的健康风险。在科学实验中,使用密闭容器对于确保结果的准确性至关重要。例如,在进行化学反应时,研究人员通常使用密封的试管或烧瓶,以防止气体或液体逸出。这种封闭使科学家能够精确测量反应,并保持环境的控制,这对得出有效结论至关重要。如果容器是开放的,则可能导致材料的污染或损失,从而扭曲实验结果。此外,在烹饪领域,密闭容器在某些菜肴的准备中发挥着关键作用。例如,在烘焙面包时,面团通常放置在密闭容器中,以便让它发酵。容器捕获热量和湿气,创造了一个理想的环境,让酵母发酵并产生二氧化碳,从而使面团膨胀。如果面团暴露在外,它会变干,无法正确发酵,导致面包变得致密且不可口。除了食品和科学应用,密闭容器在安全运输中也至关重要。无论是运输化学品、药品还是易碎物品,使用密闭容器可确保货物在到达目的地时完好无损且未受污染。例如,危险材料必须在专门设计的密闭容器中运输,以防止泄漏和溢出,从而对公共安全和环境造成风险。在小规模上,我们在家中使用密闭容器来组织和存储各种物品。从塑料箱到带盖的盒子,这些容器有助于保持我们的生活空间整洁,并保护我们的物品免受灰尘和损坏。例如,季节性衣物通常存放在密闭容器中,以防止在不使用时变得发霉或受损。总之,密闭容器的重要性不容小觑。无论是在食品保存、科学研究、烹饪、运输还是日常组织中,这些容器在维护其内容物的完整性和安全性方面发挥着关键作用。通过有效地理解和利用密闭容器,我们可以提高生活质量,确保安全,并减少浪费。因此,下次当你遇到密闭容器时,花点时间欣赏它在我们日常活动和更广泛的世界中所发挥的重要作用。

相关单词

closed

closed详解:怎么读、什么意思、用法

container

container详解:怎么读、什么意思、用法