| 单词 | sump |
| 释义 | sump[sʌmp]n. 污水坑, 水坑, 机油箱【化】 污水槽 sump sump AHD: [s¾mp] D.J. [sJmp]K.K. [sJmp]n.（名词）1. A low-lying place, such as a pit, that receives drainage.聚水坑，污水坑：用于容纳污水的低地，如坑2. A cesspool.污水渗井3. A hole at the lowest point of a mine shaft into which water is drained in order to be pumped out.集水坑：矿井坑道中最低点的一个坑或洞，用来存集废水以便用水泵排出矿井4. The crankcase or oil reservoir of an internal-combustion engine.油底壳，油箱：内燃发动机的曲轴箱或罐语源:1. Middle English sompe [marsh] 中古英语 sompe [沼泽，湿地] 2. from Middle Low German sump 源自 中古低地德语 sump 3. or from Middle Dutch somp 或源自 中古荷兰语 somp 4. Sense 2, from German Sumpf [swamp, sump] 释义2，源自 德语 Sumpf [沼泽，槽池] 5. from Middle High German sumpf [swamp] 源自 中古高地德语 sumpf [沼泽，湿地] |
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