瞬间；

1.

1. 瞬间：instantaneousmovement 瞬跳机构 | instantaneousness 瞬间 | instantaneousneutron 瞬发中子

2. instantaneousness的翻译

2. 即时：instantaneously /即时地/ | instantaneousness /即时/ | instanter /即刻/马上/

1. the quickness of action or occurrence

    e.g. the immediacy of their response
           the instancy of modern communication

    Synonym: immediacyimmediatenessinstancy