instantaneous

1. ADJ Something that is instantaneous happens immediately and very quickly. 即刻的

Death was not instantaneous because none of the bullets hit the heart. 因?yàn)闆](méi)有一顆子彈射中心臟，所以沒(méi)有即刻死亡。

2. instantaneouslyADV 即刻地[ADV with v]

Airbags inflate instantaneously on impact to form a cushion between the driver and the steering column. 安全氣囊在碰撞時(shí)立刻膨脹，在司機(jī)和方向盤(pán)之間形成一個(gè)緩沖。