单词	unbacked
释义	un·backed (ŭn-băkt) adj. 1. Lacking backing or support. 2. Not having a back. 3. Never having been ridden, as a horse.
随便看	errantry erratic erratically erraticism erratum errhine Er Rif Errol erroneous erroneously erroneousness error errorless ersatz Erse Erskine Preston erst erstwhile ERT Erté erucic acid eruct eructation eructative erudite

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