单词 别不敢说出来 例句 DEFINITIVE EXAMPLES 权威例句〔afraid〕If you don't know the answer, don't be afraid to say so.你如果不知道答案,别不敢说出来。麦克米伦高阶 英语例句辞典收录了559068条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用...