The isolation devices are essentially giant rubber-and-steel pads that are installed at the very bottom of the excavation for a building, which then simply sits on top of the pads.

隔离设备实际上就是安装在建筑物开挖时最底层的巨大的橡胶钢铁垫，建筑物就坐在这些垫子上面。

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This outlet pipe is at the bottom of a giant phosphate waste impoundment in Florida, and forms a stream that eventually empties into the water table.

这是佛罗里达州一座巨型磷酸盐废料渠的排通管道，它排出的工业废料汇集成流，最终与地下水汇合。

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Our Sun is between the lightweight and heavyweight stars. The red giant star at the bottom of the graphic is much larger than the other stars in the illustration.

在插图下方的红巨星看起来比其他的恒星都要大，但是它的质量却只有太阳的十几分之一到几分之一。

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The idea that a smaller submarine could have struck the Kursk and sailed away, whilst the Russian giant sank to the bottom is difficult to imagine.

BBC: Aftermath of the Kursk tragedy

The giant rocket engines that propelled mankind to the moon have been retrieved from the bottom of the Atlantic Ocean.

FORBES: Moon Rocket Engines Rise From the Ocean Depths

As with any giant bank, there are enormous swings in some very big numbers that make up the bottom line.

BBC: Barclays backs chancellor's spending cuts