I'd invented an automatic gate closer out of cement-filled tires, a solar cooker that didn't work very well out of an umbrella and tinfoil, baking-pan alarms to entrap my siblings.
我曾用水泥填充的轮胎、雨伞和锡箔以及报警器制作了一个自动关门器。
His creations included a solar cooker made out of an umbrella and tin foil, which did not work very well, and an automatic gate-closer made out of cement-filled tyres.
他的小发明包括利用雨伞和锡箔制造的一台运作良好的太阳能烹饪机，用填满水泥的轮胎制造的自动关门机。
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