That kind of specific power output from a naturally aspirated engine designed in the '60s is unreal.

这六十种具体的功率输出从自然吸气发动机在设计是不现实的。

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The X Foresters get a naturally aspirated, horizontally opposed (“boxer”) 2.5-liter while XTs get a turbocharged version of the 2.5-liter.

森林人X为自然吸气，水平对置2.5升发动机，XTs为2.5涡轮增压发动机。

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The new Porsche 911 GT3 sets a new standard for road-going, naturally aspirated sports cars.

新款保时捷911 GT 3树立了公路版自然进气式跑车的新标准。

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As in the prior generation, the Jaguar XJ offers a choice of naturally aspirated and supercharged V8 engines and makes extensive use of aluminum construction as a weight-saving measure.

FORBES: 2011 Jaguar XJL Supercharged Review: The Cat Pounces

After all, up until only recently the XF had come powered exclusively by a selection of throbbing V8 engines that still top out at a galloping 510 horsepower (a 3.0-liter 340-horsepower supercharged V6 replaced the naturally aspirated 5.0-liter V8 in the lineup).

FORBES: A Jaguar With A Four-Cylinder Engine...Really?