| 释义 |
fur GREY SUBSTANCEHfV:5, $fV:rn [U]a hard pale grey substance which can form on the inside of water pipes, KETTLES etc.(水管、壶等中的)水垢，垢The water in our area is very hard, so we get a lot of fur in our kettle.我们这地区的水很硬，所以我们的壶里积有很多水垢。Fur consists mainly of calcium carbonate.水垢的主要成分是碳酸钙。
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