火花

spark(noun)

a tiny red-hot piece thrown off by something burning, or when two very hard (eg metal) surfaces are struck together

放射，溅出火花

spark(verb)

to give off sparks.

电火花

spark(noun)

an electric current jumping across a gap

引起（争吵等）

spark(verb)

(often with off ) to start (a row, disagreement etc)

活力

spark(noun)

a trace (eg of life, humour)