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词汇 paraffin
词根词缀 词源:
1838, from Ger. Paraffin, coined c.1830 by Ger. chemist Karl von Reichenbach (1788-1869) from L. parum "not very, too little" + affinis "associated with." So called because paraffin is chemically not closely related to other substances.
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更新时间:2025/1/25 10:08:24