zoom和polygon分别是什么意思?

zoom
verb, noun
verb
[V +adv./prep.] to move or go somewhere very fast: Traffic zoomed past us. ◆ For five weeks they zoomed around Europe.
[V] ~ (up) (to ...) (of prices, costs, etc.) to increase a lot quickly and suddenly: House prices have zoomed up this year. ◆ Shares zoomed from 1567p to 1700p.
Phrasal Verbs: zoom in / out (of a camera) to show the object that is being photographed from closer/further away, with the use of a ZOOM LENS: The camera zoomed in on the actor's face. ◆ In the last shot he zoomed out to a wide view of the garden.
noun
[C] = ZOOM LENS: a zoom shot
[sing.] the sound of a vehicle moving very fast

polygon
noun
(geometry) a flat shape with at least three straight sides and angles, and usually five or more (就是多边形啦）
polygonal adjective