Davidzdh
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Sĭng hiĕk: {{twinLAT|砒霜}} thumb|Pĭ-sŏng '''Pĭ-sŏng''' (砒霜), huá-hŏk mìng-chĭng sê '''săng-iōng-huá-nê-kŏng''' (三氧化二砷, As<sub>2</sub…
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