形容词
中文翻译：瞬间的
同义词：
['immediate', 'instantaneous例句：1. The decision was made instantly.（这个决定是立即做出的。）']
例句：
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1. The decision was made instantly.
这个决定是立即做出的。
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2. The train arrived instantly.
火车立刻到了。
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3. The scientist discovered an instantaneous reaction.
科学家发现了一种瞬时反应。