Oil was too precious to use for power generation.

石油对发电实在是太宝贵了。

youdao

I was all about size and power, neither of which come into play[6] when you're trapped in a backyard, your lips red with juice from a neighbors' precious raspberries.

我的长处在于块头和力量，然而，当你困在人家的后院，吃了邻居那些珍贵的树莓，嘴唇让果汁染红时，这两项长处都派不上用场。

youdao

Your vegetables will boil quicker and it will save you water, power, and preserve precious vitamins in the food.

这样菜会熟的更快，还能节省水和能源并保留住食物中的维他命。

youdao

However, on a portable system that has to rely on the battery, power becomes a precious commodity.

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And it is a truly precious power.

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Plus, blocked shots often are collected by the penalty killers and sent down the ice with impunity, killing precious seconds until the power-play team can get it back and attack again.

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