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。
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。
Its descendants gradually improved the function of their primitive lungs, morphed their lobe fins into legs, and jury-rigged their jaw joints to hear in the air instead of water.
他们的后裔逐渐提升了肺功能，鱼鳍进化为腿，下颌关节突生，以便提高陆地上的听觉。
Primitive green plants zone on two banks, rest space before banks, five forest belts, three water systems closely connect the canal and yard villas into one combination.
两岸原生绿植带，岸前休憩空间，五个森林带，三大水系将运河与院落别墅紧密相连，互为一体。
The dredging of the water sump in the underground mine is always done with the primitive manual operation for many years which would seriously influence and restrain the mine safety and production.
煤矿井下水仓清淤多年来一直采用原始的人工作业方式来完成，严重影响和制约着矿井的安全与生产。
In a primitive and powerful world, our ancestors knew fear and joy and fire, worked wood and stone and water to make a place they could call home.
在一个原始充满神奇力量的世界里，我们的祖先体验着恐惧和喜悦，他们利用火，树木和水建立起家园。
The arrow and the water, which reflected their primitive thought of their forefathers historical remains on medicine;
箭与药水，反映了先民原始思维的遗迹；
The arrow and the water, which reflected their primitive thought of their forefathers historical remains on medicine;
箭与药水，反映了先民原始思维的遗迹；
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