词根词缀：rar-, rare-
【来源及含义】Latin: rarus, rare, thin, loose, sparse; airy, porous, infrequent, unusual
【同源单词】bone rarefaction, rare, rare species, rare, rare-earth alloy, rare-earth elements
| 词汇 | rar-, rare- |
| 词根词缀 | YoudictWordRoots 词根词缀：rar-, rare-【来源及含义】Latin: rarus, rare, thin, loose, sparse; airy, porous, infrequent, unusual 【同源单词】bone rarefaction, rare, rare species, rare, rare-earth alloy, rare-earth elements |
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