| 单词 | spontaneously |
| 例句 | spontaneously adverb 1.•they applauded spontaneously:without being asked, of one's own accord, voluntarily, on impulse, impulsively, on the spur of the moment, extempore, extemporaneously | informal off the cuff. 2.•he reacted spontaneously:without thinking, automatically, mechanically, unthinkingly, involuntarily, instinctively, naturally, by oneself/itself. |
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