英汉词典

spontaneous 相关例句

形容词

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。