[intransitive] (dived, dived, NAmE also dove /dəʊv; NAmE doʊv/, dived) (about a price, figure, etc.) to fall suddenly（指价格、数字等）突然下降◆The share price dived 11.8% to an all-time low of 455¢.股票价格暴跌了 11.8%，达到历史最低的 455 分。◆They have seen their sales dive by 28%.他们的销售额下滑了 28%。  ➡  see note at increase