n.(拍摄文件等用的)缩微胶卷;
例句:
They are listed on the closely guarded microfilm.
它们列于一卷严格保管的缩微胶卷上.
A device used to produce computer output on microfilm.
用于产生计算机输出缩微胶片的设备.
A camera takes a tiny microfilm photograph of each page of the form.
照相机把表格的每一页拍成极小的缩微(照)片.