air-tight seal

简明释义

气密密封

英英释义

例句

1.When sealing the envelope, make sure the flap has an air-tight seal to protect the contents.

在封口信封时，确保翻盖有密封的气密封以保护内容物。

2.To maintain freshness, the vacuum bags must create an air-tight seal around the food.

为了保持新鲜，真空袋必须在食物周围形成密封的气密封。

3.The food containers are designed with an air-tight seal to keep your leftovers fresh.

这些食品容器采用了密封的气密封设计，以保持你的剩菜新鲜。

4.For optimal performance, ensure that the jar has an air-tight seal before storing any liquids.

为了获得最佳效果，确保罐子在储存任何液体之前具有密封的气密封。

5.The manufacturer guarantees that the packaging provides an air-tight seal to prevent spoilage.

制造商保证包装提供密封的气密封以防止变质。

作文

In today's world, the importance of maintaining a clean and safe environment cannot be overstated. One of the key factors in achieving this goal is ensuring that our storage containers, packaging, and even our homes have an air-tight seal. An air-tight seal refers to a closure that prevents air from entering or escaping a container or space, which is crucial for preserving the quality of food, preventing contamination, and maintaining optimal conditions for various products.Consider the food industry, where freshness is paramount. When food products are packaged, they are often sealed using methods that create an air-tight seal. This not only helps to keep the food fresh but also extends its shelf life by preventing oxidation and the growth of bacteria. For example, vacuum-sealed bags remove air from the packaging, creating an air-tight seal that keeps meats, vegetables, and other perishables safe from spoilage. Without such measures, food would quickly lose its nutritional value and flavor, leading to waste and potential health risks.Moreover, the concept of an air-tight seal is not limited to food storage. In construction, ensuring that a building has an air-tight seal is essential for energy efficiency. Buildings that are well-sealed prevent drafts and air leaks, which can lead to higher energy costs for heating and cooling. An air-tight seal in windows and doors ensures that conditioned air remains inside, reducing the workload on heating and cooling systems and ultimately lowering utility bills. This aspect of energy conservation is increasingly important in the fight against climate change, as it contributes to reducing our carbon footprint.Furthermore, in laboratories and medical settings, maintaining an air-tight seal is critical for safety and accuracy. Many experiments require a controlled environment free from contaminants. For instance, when handling sensitive chemicals or biological samples, researchers must ensure that their containers have an air-tight seal to prevent any outside air from compromising the integrity of their work. Similarly, in healthcare, devices such as syringes or IV bags must have an air-tight seal to ensure sterility and prevent infection.In our everyday lives, we can also see the significance of an air-tight seal. When we store leftovers in the refrigerator, using containers with an air-tight seal helps to keep them fresh longer. It prevents odors from escaping and keeps our fridge smelling clean. Additionally, items like vacuum flasks utilize an air-tight seal to maintain the temperature of beverages, whether hot or cold, over extended periods. Thus, the practical applications of this concept are numerous and varied.In conclusion, the necessity of having an air-tight seal in various aspects of our lives cannot be ignored. From extending the shelf life of food to enhancing energy efficiency in buildings, and ensuring safety in scientific and medical environments, the role of an air-tight seal is vital. As we continue to prioritize sustainability and health in our society, understanding and implementing effective air-tight seals will be crucial in achieving these goals. Whether in industrial applications or in our kitchens, the value of a good air-tight seal is clear and undeniable.

在当今世界，保持清洁和安全环境的重要性不容小觑。实现这一目标的关键因素之一是确保我们的存储容器、包装，甚至我们的家都具有气密封。气密封指的是一种防止空气进入或离开容器或空间的封闭方式，这对于保持食品质量、防止污染以及维持各种产品的最佳条件至关重要。考虑食品行业，新鲜度至关重要。当食品产品被包装时，通常会使用创建气密封的方法。这不仅有助于保持食品的新鲜度，还通过防止氧化和细菌生长来延长其保质期。例如，真空密封袋去除包装中的空气，创建一个气密封，使肉类、蔬菜和其他易腐烂的食品安全不受变质影响。如果没有这些措施，食品很快就会失去营养价值和风味，导致浪费和潜在的健康风险。此外，气密封的概念并不限于食品存储。在建筑中，确保建筑物具有气密封对能源效率至关重要。良好密封的建筑可以防止气流和空气泄漏，这可能导致供暖和制冷的费用增加。窗户和门的气密封确保调节过的空气留在室内，从而减少供暖和制冷系统的工作负担，最终降低公用事业费用。在应对气候变化的斗争中，这种能源节约的方面越来越重要，因为它有助于减少我们的碳足迹。此外，在实验室和医疗环境中，保持气密封对安全性和准确性至关重要。许多实验需要一个无污染的受控环境。例如，在处理敏感化学品或生物样本时，研究人员必须确保其容器具有气密封，以防止外部空气影响他们工作的完整性。同样，在医疗保健中，注射器或静脉输液袋等设备必须具有气密封，以确保无菌性并防止感染。在我们的日常生活中，我们也能看到气密封的重要性。当我们将剩菜存放在冰箱中时，使用带有气密封的容器有助于让它们保持更长时间的新鲜。它防止气味逸出，并保持我们的冰箱气味清新。此外，像真空保温瓶这样的物品利用气密封来维持饮料的温度，无论是热的还是冷的，持续较长时间。因此，这一概念的实际应用是众多且多样的。总之，在我们生活的各个方面拥有气密封的必要性不容忽视。从延长食品保质期到提高建筑物的能源效率，再到确保科学和医疗环境的安全，气密封的作用至关重要。随着我们继续优先考虑社会的可持续性和健康，理解和实施有效的气密封将在实现这些目标中发挥关键作用。无论是在工业应用中还是在我们的厨房里，良好的气密封的价值都是显而易见的。