The stars form when gas in the cloud condenses under its own gravity and becomes packed enough to ignite nuclear fusion.
星云中的气体在它的重力下凝聚形成新星，新星变得足够满以避免核聚变。
To make his recycled paradise, Sowa packed bottles into plastic mesh bags and fishing nets. He lashed those to the bottom sides of wooden pallets, which form the island's foundation.
建造这座废物循环天堂时，索瓦先把许多塑料瓶打包塞进塑料网兜或是渔网里，然后把这些瓶子压到木质托盘的下面，这就构成了岛的基座。
His conclusion is that the main difference is in the structure of the small columns of nerve cells that are packed together to form the cerebral cortex.
她对自闭症患者和普通人尸体进行多年解剖，得出这样的结论：两者最主要的区别在于紧凑组成组成大脑皮层的神经元微柱结构。
For us, they packed up their few worldly possessions and traveled across planets in search of a new life form.
为了我们，他们打点起贫寒的行装上路，远涉星海，追求新的生活。
Results: Thrombi of packed platelets and fibrin were observed to form at low flow rates, while only a monolayer of spread platelets was seen at high flow rates.
结果：血栓的便携血小板和纤维蛋白形成，观察在低流量，而只有单层的蔓延血小板被视为在高流速。
Product is manufactured in form of a roll wound on a paper tube and then packed in a plastic film and placed within a cardboard carton.
产品生产时卷于纸芯管上，然后用塑料薄膜包装，置于纸板箱中。
The inland habitat is packed with various sorts of small worms and young insects, which form the bulk of the birds' nutrition. ?
这块内陆生息地到处是各种各样的小蠕虫和幼虫，成为鸟类营养的主要来源。
The inland habitat is packed with various sorts of small worms and young insects, which form the bulk of the birds' nutrition. ?
这块内陆生息地到处是各种各样的小蠕虫和幼虫，成为鸟类营养的主要来源。
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