Give me four rolls of film, please.
请给我四筒胶卷。
Of the four rolls of film Capa took of the horrific D-Day battle, all but 11 exposures were ruined by an overeager lab assistant, who melted the film in his rush to develop it.
关于那场可怕的诺曼底登陆战役，卡帕一共拍了四卷胶卷，但除了11张外，余下的全都叫一个过于心切的助手给毁了，他手忙脚乱地冲洗胶卷时，把胶卷给溶化掉了。
Four-row roller bearings on the working rolls mainly bear roll-bending force and axial force, while the oil film on the backup roll mainly bear rolling force and most of the bending moment.
工作辊上的四列滚子轴承主要承受弯辊力和轴向力，而支撑辊上的油膜轴承主要承受轧制力和绝大部分弯曲力矩。
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