antifreeze

简明释义

英[ˈæntifriːz]美[ˈæntifriːz]

n. [助剂] 防冻剂

英英释义

单词用法

同义词

反义词

例句

1.Yellowish green, blue or orange colors can show an overheated engine or an antifreeze leak.

黄绿色、蓝色或橙色颜色能显示引擎过热或抗冻漏。

2.But it was really ethylene glycol, a low-cost substitute commonly used in automobile antifreeze.

但是它的确有乙二醇，一种普遍用于汽车防冻液的廉价的代替品。

3.Excessive antifreeze concentration can cause corrosion damage in the water passages.

抗凝剂浓度过高会造成腐蚀损坏的水通道。

4.Tommy kicked over a gallon of antifreeze and disappeared into the locker room.

汤米一脚踢翻了一桶防冻液，消失在更衣室里。

5.As a "surfactant" or wetting agent and solvent, PG is actually the active component in antifreeze.

丙二醇是“表面活性剂”，或湿润剂、溶解剂，是防冻液中一种主要成分。

6.Had to go to the hospital after accidentally drinking antifreeze?

不小心喝了防冻液，不得不去医院就医。

7.Mix water with antifreeze in a 50/50 ratio for optimal performance.

将水和防冻液按50/50的比例混合以获得最佳性能。

8.The mechanic recommended using a high-quality antifreeze for better engine protection.

机械师建议使用高质量的防冻液以更好地保护发动机。

9.During the summer, you still need to check the level of antifreeze in your vehicle.

在夏季，你仍然需要检查你车辆中防冻液的水平。

10.Make sure to add antifreeze to your car's radiator before winter to prevent freezing.

确保在冬天之前给你汽车的散热器添加防冻液以防止冻结。

11.If you notice a leak in the antifreeze reservoir, it's important to fix it immediately.

如果你发现防冻液储存箱有泄漏，立即修复是很重要的。

作文

Antifreeze is a vital substance used in various applications, particularly in vehicles and machinery. It is a chemical compound that lowers the freezing point of water, making it essential for maintaining the proper functioning of engines in cold weather. Without antifreeze, the water in an engine's cooling system can freeze, leading to severe damage. In this essay, I will discuss the importance of antifreeze in automotive systems, its composition, and the environmental considerations associated with its use.Firstly, let’s examine how antifreeze works in an automotive context. Most vehicles rely on a coolant system to regulate engine temperature. This system typically consists of a mixture of water and antifreeze. The primary function of antifreeze is to prevent the coolant from freezing in low temperatures, thus ensuring that the engine operates efficiently. When temperatures drop, the presence of antifreeze prevents ice from forming, which could otherwise block the flow of coolant and lead to overheating when the engine is running.In addition to lowering the freezing point, antifreeze also raises the boiling point of the coolant. This means that during hot weather or under heavy engine loads, the coolant can absorb more heat without vaporizing. This dual functionality is crucial for preventing engine damage under extreme conditions.The most common types of antifreeze are ethylene glycol and propylene glycol. Ethylene glycol is widely used due to its effectiveness and low cost. However, it is toxic and poses health risks if ingested. On the other hand, propylene glycol is considered safer for the environment and is often used in applications where accidental ingestion might occur, such as in food processing plants. Understanding the differences between these compounds is essential for making informed choices about which type of antifreeze to use in specific situations.Moreover, the use of antifreeze raises important environmental considerations. Many people are unaware that improper disposal of antifreeze can lead to serious environmental harm. For instance, when antifreeze is poured down the drain or onto the ground, it can contaminate soil and water sources. Therefore, it is crucial to follow local regulations regarding the disposal of antifreeze and to use recycling programs when available.In conclusion, antifreeze plays a critical role in the functioning of automotive systems, particularly in extreme temperatures. Its ability to lower the freezing point and raise the boiling point of coolant makes it indispensable for engine performance. However, it is essential to handle and dispose of antifreeze responsibly to mitigate its environmental impact. As we continue to advance in technology and environmental awareness, finding safer alternatives to traditional antifreeze will be a significant step forward for both the automotive industry and the planet.

防冻剂是用于各种应用中的重要物质，特别是在车辆和机械中。它是一种化学化合物，可以降低水的冰点，因此在寒冷天气中保持发动机正常运行至关重要。如果没有防冻剂，发动机冷却系统中的水可能会结冰，导致严重损坏。在这篇文章中，我将讨论防冻剂在汽车系统中的重要性、其成分以及与其使用相关的环境考虑。首先，让我们看看防冻剂在汽车上下文中的工作原理。大多数车辆依赖冷却系统来调节发动机温度。该系统通常由水和防冻剂的混合物组成。防冻剂的主要功能是在低温下防止冷却液结冰，从而确保发动机高效运行。当温度下降时，防冻剂的存在可防止冰的形成，否则可能会阻塞冷却液的流动，并在发动机运行时导致过热。除了降低冰点外，防冻剂还提高了冷却液的沸点。这意味着在炎热的天气或重负荷下，冷却液可以在不蒸发的情况下吸收更多的热量。这种双重功能对于防止在极端条件下的发动机损坏至关重要。最常见的类型的防冻剂是乙二醇和丙二醇。乙二醇由于其有效性和低成本而被广泛使用。然而，它是有毒的，摄入后会对健康构成风险。另一方面，丙二醇被认为对环境更安全，通常用于意外摄入可能发生的应用中，例如食品加工厂。了解这些化合物之间的差异对于在特定情况下选择使用哪种类型的防冻剂至关重要。此外，使用防冻剂引发了重要的环境考虑。许多人并不知道，不当处置防冻剂可能会导致严重的环境危害。例如，当防冻剂被倒入排水沟或地面时，可能会污染土壤和水源。因此，遵循当地关于防冻剂处置的规定并在可用时使用回收计划至关重要。总之，防冻剂在汽车系统的运作中扮演着关键角色，特别是在极端温度下。它降低冰点和提高冷却液沸点的能力使其成为发动机性能不可或缺的部分。然而，负责任地处理和处置防冻剂以减轻其环境影响至关重要。随着我们在技术和环境意识方面的不断进步，寻找传统防冻剂的更安全替代品将是汽车工业和地球向前迈出的一大步。