Sump
n. 污水坑, 水坑, 机油箱\\n[化] 污水槽
📖 牛津释义
sump
n
1 casing under an engine holding the lubricating oil (发动机下面的)润滑油箱.
2 cavity or hollow area into which waste liquid drains 污水坑; 聚水坑.
🗣️ 情景例句
It's a piece of cake.
这是小菜一碟。
Today, enough soundings are available to enable a relief map of the Atlantic to be drawn
现在已有足够的水深测量数据来绘制一张大西洋洋底地形图,
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