motor oil - Definition & Meaning

the lubricating oil used in internal combustion enginesthe lubricating oil used in internal combustion engines

Motor oil is a special kind of oil used to lubricate the moving parts inside a vehicle's engine. It helps reduce friction between the engine's parts, preventing them from wearing out quickly. Motor oil also helps clean the engine by carrying away dirt and debris, and it helps cool the engine by absorbing heat. There are different types of motor oil, such as conventional, synthetic, and blended, each designed for different kinds of engines and driving conditions. Regularly changing the motor oil is important for keeping the engine running smoothly and efficiently.Motor oil is a special kind of oil used to lubricate the moving parts inside a vehicle's engine. It helps reduce friction between the engine's parts, preventing them from wearing out quickly. Motor oil also helps clean the engine by carrying away dirt and debris, and it helps cool the engine by absorbing heat. There are different types of motor oil, such as conventional, synthetic, and blended, each designed for different kinds of engines and driving conditions. Regularly changing the motor oil is important for keeping the engine running smoothly and efficiently.

例句

She topped up the motor oil before the long trip.
她在长途旅行前加满了机油。
He chose a synthetic motor oil for better engine performance.
他选择了合成机油以获得更好的发动机性能。
They changed the motor oil every 5,000 miles.
他们每5,000英里更换一次机油。