英语词汇“vacuous”的读音、意思、造句、用法及中英文翻译-迷途网

词汇	vacuous
释义	vacuous adjective /ˈvækjuəs/ /ˈvækjuəs/ (formal) showing no sign of intelligence or sensitive feelings空洞的；空洞无物的 a vacuous expression茫然的表情词源mid 17th cent. (in the sense ‘empty of matter’): from Latin vacuus ‘empty’ + -ous.
随便看	back to basics back to drawing board back to front back to nature back to square one back to the drawing board back-to-the-drawing-board Back to the Future backtrack back-track backtracked backtracker backtrackers backtracking backtracks back up backup back-up backup light backup-light backup lights backups backup's backward backward_1

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