木材高温加热，有限的氧气不足以使它完全燃烧，于是产生气体，可以作为发动机或内燃机的能源。

Wood heated at high temperatures with minimal oxygen cannot burn completely. Instead, it creates gases that can be used to power generators or internal combustion engines.

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今年冬天，可怜的小家伙的燃料不足以维持加热器正常运转了，于是它内部温度将骤降到华氏零下67度。

This winter, the game little unit just doesn’t have enough juice to keep its heaters on, so temperatures inside the rover will plunge to a frigid –67 degrees Fahrenheit.

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在室外空气温度低的地方，由于热泵冬季供热量不足，需设辅助加热器。

At outdoor air temperatures and low places, because of lack of heat in winter for heat, the need for auxiliary heater.

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