Burchard shaped the new material into rough - textured lightning bolts of foam that locked together to stay put under the weight of heavy, priceless objects.
伯查德把这种新材料做成表面粗糙的闪电形状的泡沫，让他们可以互相扣在一起，稳稳的垫在那些很重又很昂贵的物品下面。
Strong heavy devices called bolts held the ship's bottom together. These bolts were made of copper.
坚固的螺钉把船底连接到一起，这种螺钉用铜制成。
The object swallowed can be any of a number of items-nails, pieces of wire, screws, bolts, slivers of glass, large needles, or any object that is heavy and sharp.
吞下的异物可以是多种多样的物体：钉子，一段金属丝，螺丝钉，螺栓，玻璃片，大针头或任何重而尖锐的物体。
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