Another way to store hydrogen is to put something inside the tank which increases the total internal surface area to which the molecules of the gas can cling.

储存氢的另一方法是在燃料箱中放点东西，增加氢分子能够附着的内表面总面积。

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And an underground tank can store one million seven hundred thousand liters of rainwater for air conditioning and other systems.

同时地下水箱可以贮存170万升的雨水用于空调和其他设备。

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Of course they'd need to design a tank that could store enough air to fuel a long haul.

当然啦，科学家们还需要设计出一个足够大的容器储存压缩空气以确保长时间的燃料供给。

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