mid-15c., "marsh, morass" (from mid-13c. in place names), from Middle Dutch somp or Middle Low German sump, from Proto-Germanic *sumpaz, from PIE *swombho- "spongy." Meaning "pit to collect water" is first found 1650s. Sump-pump (1884) originally was in mining.
雙語例句
1. An attempt was then made to dive the sump.
之后曾嘗試潛入污水坑。
來自柯林斯例句
2. The lower portion of the disc is submerged within an oil sump.
圓盤下部浸在油池中.
來自辭典例句
3. The damaged sump spouted dirty oil.
受損的油槽里噴出了污濁的原油.
來自辭典例句
4. The acid waste waters are discharged into a sump or the sewerage system.
酸性廢水被送往銷毀池或陰溝系統.
來自辭典例句
5. Objective To sump up and extend COX regression model with categorical variables.