候風地動儀
hòufēngdìdòngyí
ㄏㄡˋ ㄈㄥ ㄉㄧˋ ㄉㄨㄥˋ ㄧˊ
Simplified 候风地动仪
- 1the world's first seismograph invented by Zhang Heng 張衡|张衡[Zhang1 Heng2] in 132
hòufēngdìdòngyí
ㄏㄡˋ ㄈㄥ ㄉㄧˋ ㄉㄨㄥˋ ㄧˊ
Simplified 候风地动仪
Keep 候風地動儀 and it comes back until you know it.
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