We had to drain the oil out of the engine.
我们必须把发动机里的机油全部放掉。
The US dollar went through a difficult time, in company with the oil market.
美元与石油市场同时经历了艰难时期。
The price of oil increased.
石油价格上涨了。
Oil does not mix with water.
油不融于水。
Oil does not blend with water.
油不融于水。