相关单词近义词 abruptness 突然, precipitousness 险峻, quickness 急速, rapidity 迅速, swiftness 迅速, speed 速度, precipitancy 急躁(仓促), precipitateness precipitate的..., precipitance 急躁临近词sudden, sudden glory, sudden water, sudden event, sudden burst, sudden onset, sudden entry, sudden start, sudden crisis, sudden asthma, sudden attack 返回 suddenness