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Motor oil
01
エンジンオイル, 潤滑油
the lubricating oil used in internal combustion engines
motor oil
n
例
The motor oil lubricated the engine's moving parts.
She topped up the motor oil before the long trip.
They changed the motor oil every 5,000 miles.
He chose a synthetic motor oil for better engine performance.
The motor oil was dirty and needed replacement.
