spark.cn
百度翻译： 名词：火花;火星;电火花;(指品质或感情)一星，丝毫，一丁点
动词：引发;触发;冒火花;飞火星;产生电火花
Wiktionary: A small particle of glowing matter, either molten or on fire.
A short or small burst of electrical discharge.
A small, shining body, or transient light; a sparkle.
(figuratively) A small amount of something, such as an idea or romantic affection, that has the potential to become something greater, just as a spark can start a fire.
Any of various lycaenid butterflies of the Indomalayan genus Sinthusa.
(in plural sparks but treated as a singular) A ship's radio operator.
(Britain, slang) An electrician.