instantaneous英 [ˌɪnstənˈteɪniəs] 美 [ˌɪnstənˈteniəs]adj.瞬间的； 即刻的； 猝发的瞬间的；即刻的；瞬时的；瞬时派生词：instantaneity instantaneously instantaneousness 双语例句1. Death was instantaneous because both bullets hit the heart. 因为两颗子弹都击中了心脏，所以死亡是瞬间发生的。2. His hospitality was instantaneous and all-embracing. 无论何时无论对谁他都是很好客的。3. Death was almost instantaneous. 当时生命垂危。4. She accidentally swallowed the poison and death was instantaneous. 她意外地吞下了毒药,当即就死去了.5. He had an instantaneous response. 他立刻作了反应.