Golfers usually tee the ball up on a small wooden or plastic keg before driving off.
打高尔夫球的人通常在击球前把球摆在一个木制或塑料制的小桩上.
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本文研究不锈钢扎啤桶封头表面拉深缺陷的产生和控制机理.
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If the fire reaches the keg below deck, it can also trigger a powerful explosion.
如果火灾达到甲板下方的火药库, 还会引发剧烈的爆炸.
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Then all you need is a small sparking of the powder keg, and it's on.
接下来你需要就是在这个火药桶上放上点小火星, 然后,它就爆炸了.
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Global poverty is a powder keg that could be ignited by our indifference.
贫穷有可能被我们的漠不关心激化而成为火药桶.
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