unnecessaryKK [ənˋnɛsəˏsɛri] /ənˈnɛsəˌsɛɹi/发音形容词1不必要的、多余的、无谓的We cut all unnecessary costs to keep the project alive.我们删掉所有不必要的开支,让这个专案能继续进行。2没必要的、多此一举的指言行That comment about her weight was completely unnecessary.那句评论她体重的话真的完全没必要。用这个字练口说→