| 单词 | primum frigidum |
| 释义 | primum frigidum/ˌprʌɪməm ˈfrɪdʒɪdəm/ /ˌpriːməm ˈfrɪdʒɪdəm/Now historical noun Absolute or pure cold, considered by Parmenides (450 b.c.) to be an elementary substance; the origin or source of cold. Origin |
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