1. 火花;火星
    A spark is a tiny bright piece of burning material that flies up from something that is burning.

    e.g. The fire gradually got bigger and bigger. Sparks flew off in all directions.
           火越燃越烈，火星四溅。

2. 电火花;火花放电
    A spark is a flash of light caused by electricity. It often makes a loud sound.

    e.g. He passed an electric spark through a mixture of gases.
           他让一束电火花穿过了一团混合气体。

3. 发出火花;闪光
    If something sparks, sparks of fire or light come from it.

    e.g. The wires were sparking above me...
           电线在我头顶上方冒着火花。
    e.g. I stared into the flames of the fire as it sparked to life.
           火光在闪烁，我注视着熊熊燃烧的烈焰。

4. 引起(大火)
    If a burning object or electricity sparks a fire, it causes a fire.

    e.g. A dropped cigarette may have sparked the fire.
           可能是丢弃的烟头导致了这场大火。

5. 微量;一点点
    A spark of a quality or feeling, especially a desirable one, is a small but noticeable amount of it.

spark的意思

    e.g. His music lacked that vital spark of imagination...
           他的音乐缺少非常关键的那一点灵感。
    e.g. Even Oliver felt a tiny spark of excitement.
           连奥利弗都感到一丝兴奋。

6. 触发;引发
    If one thing sparks another, the first thing causes the second thing to start happening.

    e.g. What was it that sparked your interest in motoring?
           是什么让你对开车产生了兴趣？
    e.g. The proposals are expected to spark heated debate.
           这些提议估计会引起激烈的争论。

7. see also: bright spark

8. 激烈争论;热烈讨论
    If sparks fly between people, they discuss something in an excited or angry way.

spark的近义词

    e.g. They are not afraid to tackle the issues or let the sparks fly when necessary.
           他们不怕应对这些问题，也不怕必要时来一番激烈的争论。

相关词组：spark off