I have scratching my head over something I heard in a movie description:
Their jaws drop as a globe of churning green light bores down to the earth in front of them.
I only know "bear down" as a phrasal verb meaning "press down", but here apparently the narration is in the present tense. "Bore" as a verb means to make hole or to penetrate, but "bore down" doesn't seem to be an idiomatic phrase. So why does it say bores down here? I am putting the audio clip here for reference (available through an audio sharing site, Clyp).