| 单词 | 碳化 |
| 释义 | 〔sierozem〕Any of a group of soils found in cool to temperate arid regions that is brownish gray at the surface with a lighter layer below and is based in a carbonate or hardpan layer.灰钙土：一种发现于从凉爽到温带干旱地区的土壤，表面为灰褐色，下面一层颜色稍淡，存在碳化或硬土层之中〔peat〕Partially carbonized vegetable matter, usually mosses, found in bogs and used as fertilizer and fuel.泥炭，泥煤：部分碳化的植物物质，通常指苔藓，见于潮湿地区，用作肥料和燃料〔carburize〕To treat, combine, or impregnate with carbon, as when casehardening steel.使渗碳，碳化：使与碳一起处理，使与碳混合或使充满碳，如将钢的表面粹火硬化 |
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