音标：[zu:m]
n. 急速上升, 变焦摄影, 嗡嗡声
vi. 猛增, 急速上升, 摄象机移动
vt. 使摄象机移动
【计】 缩放
在线英汉词典

zoom的短语、例句：

zoom v 1 [I, Ipr, Ip] (of aircraft, cars, etc) move very quickly, esp with a buzzing or humming noise （指飞行器、 汽车等）急速移动（尤指发出嗡嗡声或轰轰声）
zooming along the motorway 沿高速公路嗡的一声疾驶而去
The jet zoomed low over our heads. 喷气式飞机在我们头顶上空轰的一声低飞而过. =>Usage at whiz 用法见whiz. 2 [I, Ip] (fig infml 比喻, 口) (of prices, costs, etc) rise sharply; soar （指价格、 费用等）急升, 猛涨
Overnight trading caused share prices to zoom (up). 一夜的交投使股票价格直线上升. 3 (phr v) zoom in (on sb/sth)/out (of cameras) make the size of the object being photographed appear bigger/smaller by using a zoom lens （指照相机等）用变焦距镜头使景物放大[缩小]. zoom, n [sing] sound or act of zooming (zoom1) （指飞行器或汽车等）急速的移动, 急速移动时发出的声音.