地動儀 dì dòng yí

DEFINITIONS

  1. the world's first seismograph invented by Zhang Heng 张衡 in 132
  2. abbr. for 候風地動儀|候风地动仪

CHARACTERS

地 dì earth; soil, ground; region
動 dòng move, happen; movement, action
儀 yí ceremony, rites gifts; admire