Around the beginning of the 20th century there were actually some primitive solar water heaters on the consumer market.

大约20世纪初，消费市场上出现了一些原始的太阳能热水器。

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Not surprisingly, these neurons respond to primitive rewards, such as food and water.

不出意料，这些神经元对食物和水等原始的奖赏反应。

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As a result, these regions may have been more likely to melt, creating water bodies where primitive life-forms, such as algae and fungi, could thrive.

那么结果便是，这些区域更容易融化形成水，那也就正是原始生物形成的起源地，比如说藻类和真菌类。

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Supporters of the water birth technique say primitive reflexes keep babies from taking a breath until they are removed from the water.

BBC: Water birth drowning risk

The primitive fish mouth straining for water and finding it as my son releases it in the shallows.

NEWYORKER: The Other Place

He thus put together a collection of apparatus that would not have disgraced the set of a mad-scientist horror film, and filled it with a mixture of methane, ammonia, hydrogen and water vapour that matched contemporary ideas of what the primitive terrestrial atmosphere had been composed of.

ECONOMIST: Stanley Miller