| 单词 | be pumped out |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔sump〕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美国传统 |
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