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 n. an unexpected and un-planned happening意外事故;偶然事件:The day before yesterday I met him byaccident.前天我偶然遇到了他。A road accident hap-pened yesterday morning.昨天早上發(fā)生了一場(chǎng)車禍。......(本文共 146 字) [閱讀本文] >>