bad conductor

简明释义

不良导体

英英释义

例句

1.Wood is considered a bad conductor of heat, which is why it's often used in building structures.

木材被认为是热的坏导体，这就是为什么它常用于建筑结构。

2.In cooking, using a pan made of glass can be a bad conductor of heat, leading to uneven cooking.

在烹饪中，使用玻璃锅可能是一个热的坏导体，导致不均匀的烹饪。

3.Rubber is a bad conductor of electricity, making it a safe material for insulating wires.

橡胶是电的坏导体，使其成为绝缘电线的安全材料。

4.When choosing materials for thermal insulation, we need to avoid bad conductors like aluminum.

在选择热绝缘材料时，我们需要避免像铝这样的坏导体。

5.Plastic is a bad conductor of electricity, which is why it is often used for electrical components.

塑料是电的坏导体，这就是为什么它常用于电气组件。

作文

In our daily lives, we often encounter various materials that have different properties. One of the most important properties to consider is how well a material can conduct heat or electricity. Some materials are excellent conductors, while others are considered poor at this task. A material that does not conduct heat or electricity well is referred to as a bad conductor. This term is crucial in both scientific and practical applications, as it helps us understand how to use materials effectively in different situations.For instance, when we think about cooking, we usually prefer pots and pans made from materials that are good conductors of heat, such as copper or aluminum. These metals allow heat to spread evenly across the surface, ensuring that our food cooks properly. On the other hand, if we were to use a bad conductor, like wood or plastic, the heat would not distribute evenly. This could lead to uneven cooking, where some parts of the food are overcooked while others remain raw. Therefore, understanding the concept of a bad conductor is essential for anyone who enjoys cooking or baking.Similarly, in electrical engineering, the distinction between good and bad conductors is vital. Metals like copper and silver are known for their excellent conductivity and are commonly used in electrical wiring. They allow electricity to flow freely, minimizing energy loss. In contrast, materials like rubber or glass are classified as bad conductors because they resist the flow of electricity. This property makes them useful as insulators, protecting us from electric shocks and preventing short circuits in electrical devices.Furthermore, the concept of a bad conductor extends beyond just heat and electricity. In the field of acoustics, some materials do not transmit sound well, making them bad conductors of sound waves. For example, thick carpets or curtains can absorb sound rather than reflect it, which is why they are often used in recording studios to create a better sound environment. Understanding which materials are bad conductors of sound can help architects and designers create spaces with optimal acoustics.Moreover, the implications of using bad conductors can be seen in everyday life. For instance, when building a house, choosing the right insulation material is crucial. Materials like fiberglass or foam are bad conductors of heat, helping to keep homes warm in winter and cool in summer. This not only enhances comfort but also contributes to energy efficiency, reducing heating and cooling costs.In conclusion, the term bad conductor refers to materials that do not effectively transmit heat or electricity. Understanding this concept is essential across various fields, from cooking and electrical engineering to acoustics and construction. By recognizing the properties of different materials, we can make informed choices that enhance our daily lives and improve our environments. Whether we are trying to cook a perfect meal, ensure safety in electrical applications, or create a comfortable living space, knowing about bad conductors allows us to utilize materials more effectively and achieve better results.

在我们的日常生活中，我们经常会遇到各种具有不同性质的材料。其中一个最重要的性质是材料导热或导电的能力。有些材料是优秀的导体，而其他材料则被认为是较差的导体。一个不很好地导热或导电的材料被称为坏导体。这个术语在科学和实际应用中都是至关重要的，因为它帮助我们理解如何在不同情况下有效地使用材料。例如，当我们想到烹饪时，我们通常更喜欢用铜或铝等良好导热材料制成的锅具。这些金属可以使热量均匀地分布在表面上，确保我们的食物得到适当的烹饪。另一方面，如果我们使用坏导体，如木材或塑料，热量就不会均匀分布。这可能导致食物烹饪不均匀，有些部分过熟而其他部分则生。因此，理解坏导体的概念对任何喜欢烹饪或烘焙的人来说都是必不可少的。同样，在电气工程中，良好导体和坏导体之间的区别至关重要。铜和银等金属因其优良的导电性而被广泛用于电线中。它们允许电流自由流动，最大限度地减少能量损失。相比之下，橡胶或玻璃等材料被归类为坏导体，因为它们会抵抗电流的流动。这种特性使它们作为绝缘体变得有用，保护我们免受电击，并防止电器中的短路。此外，坏导体的概念不仅仅局限于热和电。在声学领域，一些材料并不很好地传播声音，使它们成为声波的坏导体。例如，厚地毯或窗帘可以吸收声音而不是反射声音，这就是为什么它们常常在录音室中使用，以创造更好的声音环境。了解哪些材料是声音的坏导体可以帮助建筑师和设计师创造最佳声学效果的空间。此外，使用坏导体的影响在日常生活中也可以看到。例如，在建造房屋时，选择合适的绝缘材料至关重要。像玻璃纤维或泡沫这样的材料是坏导体，有助于在冬季保持房屋温暖，在夏季保持凉爽。这不仅提高了舒适度，还提高了能源效率，减少了取暖和制冷成本。总之，坏导体这个术语指的是那些不能有效传导热量或电流的材料。理解这一概念在各个领域都是至关重要的，从烹饪、电气工程到声学和建筑。通过认识不同材料的特性，我们可以做出明智的选择，从而改善我们的日常生活，提高我们的环境。无论我们是在尝试烹饪一顿完美的餐点，确保电气应用的安全，还是创造一个舒适的居住空间，了解坏导体使我们能够更有效地利用材料，取得更好的效果。