motor oil

简明释义

电动机润滑油

英英释义

例句

1.The mechanic recommended changing the motor oil every 5,000 miles.

机械师建议每5000英里更换一次机油。

2.I need to buy some motor oil for my car's engine.

我需要买一些机油给我的车的发动机。

3.He bought synthetic motor oil for better engine protection.

他买了合成机油以获得更好的发动机保护。

4.Using the right type of motor oil can improve your vehicle's performance.

使用正确类型的机油可以提高你车辆的性能。

5.Make sure to check the level of motor oil before a long trip.

在长途旅行之前，确保检查一下机油的油位。

作文

Motor oil is an essential lubricant used in internal combustion engines, as well as in various machinery and equipment. This fluid plays a crucial role in reducing friction between the moving parts of an engine, thereby enhancing its performance and longevity. Without adequate lubrication provided by motor oil (机油), engines would suffer from excessive wear and tear, leading to potential failures and costly repairs. The primary function of motor oil (机油) is to ensure smooth operation within the engine. It does this by creating a protective film on metal surfaces, which minimizes direct contact between moving parts. This is particularly important in areas like the crankshaft and camshaft, where high levels of friction and heat can cause significant damage over time. Furthermore, motor oil (机油) also helps to cool the engine by absorbing heat generated during combustion and dissipating it through the oil pan.In addition to lubrication and cooling, motor oil (机油) contains additives that serve multiple purposes. These additives can include detergents that keep the engine clean by preventing the buildup of sludge and deposits. They also contain anti-wear agents that provide extra protection for critical components. Moreover, some motor oil (机油) formulations are designed to enhance fuel efficiency, helping drivers save money at the pump while also reducing emissions.Choosing the right type of motor oil (机油) is vital for maintaining an engine's health. There are various types available, including conventional, synthetic, and blended oils. Conventional oils are derived from crude oil and are suitable for many older vehicles. Synthetic oils, on the other hand, are engineered for enhanced performance and can withstand higher temperatures and pressures. Blended oils combine both conventional and synthetic properties, offering a balance between cost and performance.Regularly checking and changing motor oil (机油) is a fundamental aspect of vehicle maintenance. Most manufacturers recommend changing the oil every 3,000 to 5,000 miles, although modern engines may allow for longer intervals. Neglecting this crucial task can lead to a multitude of problems, including reduced fuel efficiency, increased emissions, and ultimately, engine failure.In conclusion, motor oil (机油) is more than just a lubricant; it is a vital component that ensures the proper functioning of an engine. By reducing friction, preventing wear, and maintaining cleanliness, motor oil (机油) contributes significantly to the longevity and efficiency of vehicles. For car owners, understanding the importance of motor oil (机油) and adhering to recommended maintenance schedules can save them time and money in the long run.