里面全是运转的机器。
没错，提供指导，但不要插手一台在正常运转的机器。
Yes, coach them, but don't put your hand in a machine that's running!
之后，她又切钢和铁、搅拌混凝土，运转的机器、移动的建筑材料，所有加重噪声在我们身边。
And later, the cutting of the iron and steel, the stirring of the concrete, the running of the machines, the moving of those construction material, all aggravate the noise around us.
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