One New Caledonian crow, called Betty, bent some straight wire into a hook and used it to lift a small bucket of her favourite food from a vertical pipe.

一只名叫贝蒂的新喀里多尼亚乌鸦把一根笔直的铁丝咬成一个弯钩，用它把一小桶她最喜欢吃的食物从一根垂直的管子里吊了出来。

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The wire ropes which support the car are fixed to a heavy counterweight which moves up and down the lift shaft on separate guide rails.

支撑电梯厢的钢丝绳另一端固定在一个平衡配重上。 平衡配重在升降井里沿着单独的导轨上下移动。

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Swish the clams gently in the water and let soak for a few minutes, then lift them out with a wire-mesh skimmer and place them in the other pot of cold water.

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