1. Finally he got a job shifting rails in a factory. 最后他在一家工厂找到一个搬钢轨的工作。
2. Using paint or grease pencil, mark outline of crossmember on frame rails. 使用油漆或油性笔，将横梁的轮廓标记在车架轨道上。
3. It needed the camera to be very mobile, thus requiring rails, a dolly, marks on the floor… nothing that could have been hidden. 拍摄需要摄象机非常灵活，因此需要轨道、移动摄影车、地板上的记号……这些东西没有一个是容易隐藏的。
英英解释
n.
1. a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other
