候风地动仪

候风地动仪
hòufēngdòng

the world's first seismograph invented by Zhang Heng 張衡|张衡[Zhang1 Heng2] in 132

1 meaning
MEANING

MEANING

  1. noun

    the world's first seismograph invented by Zhang Heng 張衡|张衡[Zhang1 Heng2] in 132

    • The seismoscope is a great invention of ancient China.

STROKE ORDER
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