Particularly practise turning the engine off promptly.
尤其是迅速关闭发动机。
If you're going to idle your car for more than a minute, it's worth turning off the engine.
如果你要停车超过一分钟，就需要关闭引擎。
After turning off the engine, wait for at least 5 minutes for the oil to drain back into the bottom of the engine.
在发动机熄火后，为了让机油流回发动机底部，至少要等5分钟。
Revving the engine before turning it off may reduce fuel economy.
在发动机未关闭时空踩油门会降低燃油经济性。
Revving the engine before turning it off may reduce fuel economy.
在发动机未关闭时空踩油门会降低燃油经济性。
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