词根词缀：oper-
【来源及含义】Latin: to close, to enclose, to cover
【同源单词】cover, coverlet, covert, covert-feme, covertly, covertness
| 词汇 | oper- |
| 词根词缀 | YoudictWordRoots 词根词缀：oper-【来源及含义】Latin: to close, to enclose, to cover 【同源单词】cover, coverlet, covert, covert-feme, covertly, covertness |
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