There was a machine in the kitchen which could extract the juice of two hundred oranges in half an hour if a little button was pressed two hundred times by a butler's thumb.

厨房里有一台机器，只要管家用拇指按下小按钮两百次，半小时就能榨出两百个橙子的汁。

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How many tons of ore can this machine crush in an hour?

这机器每小时可以破碎多少吨矿石？

《新英汉大辞典》

The machine must break down at this busy hour.

正忙的时候，机器偏偏又坏了。

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Casey's has its own machine stamping 400 cartons an hour.

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He spends an hour on the elliptical machine in his home office basement cranking through calories and some 150 emails.

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But standing in a three hour queue for a cash machine was a definite festival lowlight for him.

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