来自低地德语 sump,沼泽，来自 Proto-Germanic*sumpaz,沼泽，词源同 swamp.后引申现代词 义集水坑，集油槽。

1. An attempt was then made to dive the sump.

之后曾尝试潜入污水坑。

2. The lower portion of the disc is submerged within an oil sump.

圆盘下部浸在油池中.

3. The damaged sump spouted dirty oil.

受损的油槽里喷出了污浊的原油.

4. The acid waste waters are discharged into a sump or the sewerage system.

酸性废水被送往销毁池或阴沟系统.

5. Objective To sump up and extend COX regression model with categorical variables.

目的总结和推广包含分类变量的COX模型.