这部相机有两个焦距.The camera has two focuses.比较贵的照相机有可调焦距.More expensive cameras have adjustable focusing.常见镜头的焦距 ( f ) 为625毫米.A typical lens has a focal length ( f ) of 625 mm....

“焦距”的英语可以翻译为：[光] focal distance，focal length，foci，focus ...

“焦距”的拼音为：jiāo jù...