英语翻译Jim works in a darkroom,a room that is specially equipped for developing film.First he removes the film from the lead plates(金属片) that are used to hold it.Then he feeds the film into a developing machine.It takes about 90 seconds for it to develop.The film is then ready to be examined by a doctor.

Jim works in a darkroom, a room that is specially equipped for developing film.
吉姆在暗房里工作，那里专门用来冲洗底片。
First he removes the film from the lead plates(金属片) that are used to hold it.
首先，他把底片从铅板上取下。
Then he feeds the film into a developing machine.
接着，他把底片放入冲洗机器中。
It takes about 90 seconds for it to develop.
大概要花90秒的时间冲洗完毕。
The film is then ready to be examined by a doctor.
现在，洗好的片子可以送去给医生检查了。

吉姆的爸爸在一个暗房,一间是专门准备冲洗底片。首先他将电影从铅板(金属片)用来控制它。然后他喂电影融入一个发展中的机器。大约需要90秒,其发展。这部电影是然后准备接受医生的检查。

吉姆在暗室工作,暗室就是一个屋子专门用来显影的.首先,他把胶片从固定它的铅板上拿下来.然后他把胶片放入一个显影仪中.大概需要90秒来让它显示影像.之后,胶片就可以由医生来检查了.
这个应该说的就是医院平拍片子的冲洗过程.词用的可能没那么专业,但是希望可以帮助你.