英语脑筋急转弯 | 葡萄酒桶

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Barrel of Wine
葡萄酒桶

There is a barrel with no lid and some wine in it.
有一个没有盖子的桶,里面装了一些葡萄酒。

"This barrel of wine is more than half full," said Tom.
汤姆说:“这桶里有大半桶酒。”

Dick says, "No it's not. It's less than half full."
迪克说:“不,不是的,里面只有小半桶酒。”

Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?
在没有任何量具,也不从桶里取出一滴酒的情况下,他们如何才能够轻松地判断谁才是正确的呢?

Answer
答案

Tilt the barrel until the wine barely touches the lip of the barrel. If the bottom of the barrel is visible then it is less than half full. If the barrel bottom is still completely covered by the wine, then it is more than half full.
倾斜酒桶使桶里的酒刚好到达桶口。如果能看到桶底,则说明桶内的酒少于半桶。如果桶底依然完全被酒盖住,则说明桶内的酒多于半桶。