| 单词 | polysulphide |
| 释义 | Word Frequency polysulphide or US polysulfide (ˌpɒlɪˈsʌlfaɪd) noun any sulphide of a metal containing divalent anions in which there are chains of sulphur atoms, as in the polysulphides of sodium, Na2S2, Na2S3, Na2S4, etc |
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