| 单词 | paraffin series |
| 例句 | It is an abundant ingredient of ordinary illuminating gas, and is the first member of the paraffin series. The Gutenberg Webster's Unabridged Dictionary Section F, G and H It is the second member of the paraffin series, and its most important derivatives are common alcohol, aldehyde, ether, and acetic acid. The Gutenberg Webster's Unabridged Dictionary Section D and E |
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