这机器每小时可以破碎多少吨矿石？
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。
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.
新加坡政府出资支持机器狗的实验。该实验将在非高峰时段的公园每天进行两小时，为期两周。
Singapore's government is funding the experiment of the robotic dog, which will last for two weeks at the park during off-peak hours
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