相关单词近義詞 abruptness 突然, precipitousness 險峻, quickness 急速, rapidity 迅速, swiftness 迅速, speed 速度, precipitancy 急躁(倉促), precipitateness precipitate的..., precipitance 急躁臨近詞sudden, sudden glory, sudden water, sudden event, sudden burst, sudden onset, sudden entry, sudden start, sudden crisis, sudden asthma, sudden attack 返回 suddenness