engine oil

基本解释

A company selling car-engine oil has seen sales drop by 80%.
一家出售汽车机油的公司销售额下降了80%。
To keep the inside working parts of your engine clean, use engine oil and fuel that have tested engine cleaning properties.
为保持引擎内部工作部件的清洁，使用经检测具有清洁引擎性能的机油和燃料。
Did you know that most of the Lamborghini models are produced with a V12 engine, even though the newest model, Gallardo, have a V10 engine oil.
你知道兰博基尼大部分车型都配有V12引擎吗？即使最新款的Gallardo也装着V10。

Expect future cars to help motorists garner maximum mileage by leveraging technology like the eco-tutoring systems found in many hybrids, wider use of tire-pressure, oil life and engine-tuning monitoring systems and more-sophisticated GPS guidance that can select less-congested routes.
FORBES: How To Turn A Fuel-Efficient Car Into A Gas-Guzzler (And Vice-Versa)
But it's one thing to put people in uniform, and another thing to have clear command structure, or the capacity to move troops from point A to point B, or the capacity to make sure that the troop carrier from point A to point B has got the necessary air in its tires or oil in its engine.
NPR: Maliki Assures Bush on Iraqi Force's Readiness
Saudi Arabia has been one of the most radicalizing forces in the Middle East at the same time that it has been the steady engine behind the world's oil economy.
CENTERFORSECURITYPOLICY: Obama's devastatingly mixed signals