spontaneous是什么意思

双语用例

• I am certain both these statements were spontaneous and genuine.

• The audience broke into spontaneous applause.

• What happened was not a spontaneous outburst of violence.

• This was a spontaneous outpouring of emotion.

• We had no plans to do it - it was a spontaneous thing.

• The excited atom interacts with the vacuum fluctuations which cause the spontaneous emission of radiation.

• The appearance of spontaneous errors depends on noise, but also on the relative confusability of the targets.

• She only produced 221 spontaneous utterances across the three contexts used to elicit language samples, during which she produced the verbs forget and know spontaneously.