spontaneous是什么意思 spontaneous在线中文翻译

spontaneous 英 [spɒnˈteɪniəs] 美 [spɑ:nˈteɪniəs]

spontaneous 词典解释

1. The eruption of a volcano is spontaneous.
   火山爆发是自发的。
2. Hearing the joke, we burst into spontaneous laughter.
   听到笑话，我们不由自主地大笑起来。
3. He made a spontaneous offer of help.
   他自愿提供帮助。

1. said or done without having been planned or written in advance
   e.g. he made a few ad-lib remarks
   Synonym: ad-lib unwritten
2. happening or arising without apparent external cause
   e.g. spontaneous laughter
   e.g. spontaneous combustion
   e.g. a spontaneous abortion
   Synonym: self-generated

spontaneous [spɒnˈteɪniəs]