词根词缀：extra-, extro-, extr-, exter-
【来源及含义】Latin: beyond, outside, on the outside, outward, external
【同源单词】Ab extra, ad extra, ad extremum, exteriorly, external, external reforming
| 词汇 | extra-, extro-, extr-, exter- |
| 词根词缀 | YoudictWordRoots 词根词缀：extra-, extro-, extr-, exter-【来源及含义】Latin: beyond, outside, on the outside, outward, external 【同源单词】Ab extra, ad extra, ad extremum, exteriorly, external, external reforming |
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