occurring or done in an instant or instantly
瞬间发生的;瞬间完成的
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her reaction was almost instantaneous .她的反应几乎是瞬间作出的。
operating or providing something instantly
即刻运行的;即刻供应的
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modern methods of instantaneous communication .现代即时通讯方法。
【物理】 瞬时的
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measurement of the instantaneous velocity .瞬时速度测量。
"mid 17th cent.: from medieval Latin