A Harvard anthropologist has proposed that using fire to cook food could be dated back to almost two million years and that it could explain hominid features like having a large brain and small teeth.

哈佛大学的一位人类学家提出，用火做饭可以追溯到近200万年前，这可以解释人类的一些特征，比如大脑大，牙齿小。

youdao

If you are using fire, put it out quickly.

如果你是用火，把它迅速的扑灭。

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Nobody knows how ancient people started using fire.

没人知道古人是怎么开始使用火的。

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They are also setting backfires to clear away dry brush, and using helicopters and airplanes to drop water and fire retardant.

VOA: standard.2009.09.01

Crews were trying to make the scene safe Wednesday night, using fire hoses to wash away loose dirt before it falls on searchers, Zaccard said.

NPR: 1 Child Dead, 1 Missing In Minn. Park Landslide

At a council meeting on Wednesday the Fire Authority agreed a proposal for round-the-clock cover using a smaller fire engine and fewer crew.

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Afterwards Mr Cai and his assistants damp out the fire using long poles tipped with sponges, and then smudge the lines of ash so that the portrait looks like a huge charcoal drawing on the wall of the museum's reception hall.

ECONOMIST: Firework chaos theory from a latterday Prospero