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It might also leave him extra hungry because of the lack of proper fuel.
它还可能给他额外由于缺乏适当的燃料饥饿。
youdao
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It lets air and fuel in and out of the engine at the proper time.
气阀机构就相当于一个交警，指挥空气和燃料在合适的时间进出引擎。
youdao
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It lets air and fuel in and out of the engine at the proper time.
气阀机构就相当于一个交警，指挥空气和燃料在合适的时间进出引擎。
youdao