候风地动仪 Save Sign in to save words Traditional (Taiwan): 候風地動儀 hòufēngdìdòngyí ㄏㄡˋ ㄈㄥ ㄉㄧˋ ㄉㄨㄥˋ ㄧˊ the world's first seismograph invented by Zhang Heng 张衡 zhānghéng in 132 Character by character 候(hòu)wait 风(fēng)wind 地(dì)earth 动(dòng)move 仪(yí)apparatus A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0