The sulphur-like pollen of the pitch pine soon covered the pond and the stones and rotten wood along the shore, so that you could have collected a barrelful .

苍松的硫磺色的花粉不久就铺满了湖面和圆石以及沿湖的那些腐朽了的树木，因此你可以用桶来满满地装上一桶。

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That means modern porter isn't as sweet or as sour as what was drunk by the barrelful in Georgian London and that's a good thing.

WSJ: Porters Get Fresh | Half Full