咖啡萃取器是一种用来冲煮咖啡的壶。

A coffee percolator is a type of pot used to brew coffee.

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VST公司开发的这些滤碗是意式咖啡萃取的新方法。

These baskets are a new approach to espresso machine filtering, developed by Vince Fedele of VST (the company that produces the ExtractMojo and associated products).

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外部的咖啡萃取更重，而中心部分的咖啡萃取就会由于水流太快而过度。

Later on, things get worse: the outer ring of coffee starts to extract more evenly, but the increased flow through the central parts mean over-extraction begins.

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