| 释义 |
rarefy 也作 rar·i·fy AHD[rârʹə-fī'] D.J.[ˈreərəˌfaɪ]K.K.[ˈrɛrəˌfaɪ]v.（动词）rar.e.fied, rar.e.fy.ing, rar.e.fies v.tr.（及物动词）- To make thin, less compact, or less dense.使稀薄：使变瘦，变淡，变得不紧凑，不浓密
- To purify or refine.精炼：使变纯或变精
v.intr.（不及物动词）- To become thin or less compact or dense.变稀薄，变得不浓
- Middle English rarefien 中古英语 rarefien
- from Old French rarefier 源自 古法语 rarefier
- from Medieval Latin rārificāre 源自 中世纪拉丁语 rārificāre
- alteration of Latin rārēfacere 拉丁语 rārēfacere的变化
- rārus [rare] rārus [稀有的]
- facere [to make] * see dhē- facere [使] * 参见 dhē-
rar'efiʹable adj.（形容词） |