adv.瞬间，即刻；突如其来地

The action occurred instantaneously, leaving no time for doubt.
这个动作瞬间发生，没有留下任何怀疑的余地。
She reacted to the danger instantly, diving out of the way.
她对危险反应迅速，立刻跳到一旁。
The computer processes information instantaneously, providing quick results.
电脑能瞬间处理信息，给出快速的结果。
Light travels at an instantaneous speed, reaching us from distant stars.
光以即时的速度传播，从遥远的恒星到达我们。
The magician's hand moved instantaneously, and the coin disappeared.
魔术师的手指瞬间移动，硬币就消失了。
In an instant, the storm clouds cleared, revealing a beautiful sunset.
一瞬间，乌云散去，露出了美丽的日落。
The bullet hit its target with an instantaneous precision.
子弹瞬间精准击中目标。
He solved the complex math problem instantaneously, impressing everyone around him.
他瞬间解出了复杂的数学题，让周围的人都感到惊讶。
The connection was established instantaneously, allowing for seamless communication.
连接瞬间建立，使得通信变得流畅无阻。
The doctor administered the pain medication instantaneously, relieving her patient's suffering.
医生立即给予止痛药，减轻了病人的痛苦。