单词	jack arch
释义	jack arch noun : a flat arch (as a lintel with a keystone) Word History Etymology jack entry 1 (something smaller)
随便看	estimated cost estimated weight estimates estimating estimatingly estimation estimations estimative estimator estimators canavanines Canaveral Peninsula Canaveral, Cape canawler Canberra canberrae canberran canberras Canby canc cancan cancans cancel cancel (out) cancel culture

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