to (cause a camera or computer to) make the image of something or someone appear much larger and nearer, or much smaller and further away

At the beginning of the film, the camera zooms in to show two people sitting by the side of a river. 影片一开始，镜头拉近，对准了坐在河边的两个人。

Click on a photo of any student, and it zooms out to full-size. 随便点击一张学生的照片，它就会放到最大。

Television cameras zoomed in on the fans cheering in the stands. 电视镜头定格在看台上欢呼的球迷身上。