drop怎么读

drop英[drɒp]美[drɑp]vt.& vi.（使）落下;投下;（使）降低;减少vt.放弃;停止;（故意）降下;垂下（眼睛）n.滴;空投;降落;少量[例句]Back in november , the market was predicting that volatility would drop during the next six months.回到去年11月，当时市场预计未来六个月波动性将降低。