[] a sudden serious fall in the price or value of sth; the occasion when a business, etc. fails暴跌；倒闭◆a crash in share prices股价暴跌◆the dot-com crash互联网泡沫破灭⨁a bank / financial / property / stock market crash银行／金融／房地产／股市崩溃 () a sudden failure of a computer or software（计算机或软件的）当机，系统故障◆We believe the system crash was caused by disk failure. 我们相信系统当机是硬盘损坏造成的。