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. 因為沒有一顆子彈射中心臟，所以沒有即刻死亡。

2. instantaneouslyADV 即刻地[ADV with v]

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