Previewing Case预习案
previewing track轨迹预览
Previewing outlines预习提纲
fast previewing快速预览
Attachment Previewing附件预览
Previewing Video预览视频
Previewing g Video预览视频
Previewing His Campaign Pitch预览他竞选间距
Previewing & Sharing预览和共享
N-COUNT（可数名词） A preview is an opportunity to see something such as a movie, exhibition, or invention before it is open or available to the public. 预先观看
He had gone to see the preview of a play.
他去看过一出戏的预演。