| 单词 | thioarsenious acid | 
| 释义 | thioarsenious acid in American English (ˌθaɪoʊɑrˈsiniəs)  any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts Word originthio- +  arsenious | 
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