Scientists have been trying to replicate this seismoscope for centuries, even as recently as 2005, all unsuccessfully.

几个世纪以来， 科学家们一直在尝试复制这种地震仪，甚至最近在 2005 年， 都没有成功。

Number six is Zhang Heng's seismoscope.

六号是张恒的地动仪。

It may just look like a badass piece of ancient art, but when Chinese inventor and astronomer, Zhang Heng, created the seismoscope around 130 AD, he actually invented the first known earthquake detector.

它可能看起来像是一件糟糕的古代艺术品，但当中国发明家和天文学家张衡在公元 130 年左右创造地震仪时， 他实际上发明了第一个已知的地震探测器。