英语词汇“杞天之忧”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	杞天之忧
释义	杞天之忧近义反义近义词杞人忧天庸人自扰
随便看	interface electron density interface electronic structure Interface Electronics Unit interface electron structure interface element interface element method interface elements interface end interface energy interface energy release rate interface engineering interface entry interface equipment Interface equipment of radar-computer interface error control interface evaluation Interface Evaluation Report Interface evolution interface exchange interface exchange coupling interface exchange process interface expansion Interface expansivity how much Interface expansivity how much? interface expectation