The plant would store cheap "off peak" electricity in 2,500-pound flywheels that turn faster than the speed of sound.
这座储能厂会把“闲时”的电力储存在2500磅的飞轮电池中。 飞轮的轮缘线速度之高，超过声速。
Mom drove to the local feed store in La Porte, Texas, and picked up a 25-pound bag of scratch grains, a blend of milo, corn and oats.
住在得克萨斯州拉波特的妈妈随即开车到当地的饲料商店买了一包25磅的蜀黍、玉米、燕麦混合杂粮，然后开始分批地给我运送。
I can store the equivalent of half a pound of sugar this way.
我通过这种方法可储存相当于半磅的糖。
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