The liver releases more glucose (blood sugar) to provide extra energy.

肝脏释放更多的葡萄糖(血糖)，为身体提供额外的能量。

youdao

They claim that in order to become any more intelligent the human brain would need vast amounts of extra energy and oxygen - and we simply cannot provide it.

科学家指出，为了变得更加聪明一些，人类大脑将需要大量额外的能量和氧- - -但这些我们都无法再加码了。

youdao

We need ways to store the energy we generate when we have a surplus, so that it can be used when we need extra and this innovative new system could provide the answer.

我们亟需方法来存储发电中过剩的电能，有需要时才拿出来使用。而这项创新性的系统为我们提供了答案。

youdao

Discounts for big users are tiny because of the heavy extra costs imposed by the government to subsidise renewable energy sources (due to provide 20% of capacity by 2020) and to reduce the life of nuclear power plants to 32 years (from 50 years).

ECONOMIST: German business