提示：点击例句中的单词，就可以看到词义解释

Britain 's catastrophic floods of 2007 were largely the result of overloaded drainage .

英国的2007年水灾主要是由于排水系统超负荷造成的。

The history of municipal drainage seems like an issue that one might reasonably ignore .

北京排水工程的历史似乎是可以被人理所应当忽略的问题。

A liver abscess will require tube drainage and antibiotics to cure .

肝脓肿，需要管引流及抗生素治疗。

He casts an urgent glance at the drainage grate beneath the sink .

他急切地望了一眼水池下的下水道栅栏。

Drainage was left to open sewers , canals and sluices , which often proved ineffective .

排水系统留给了露天污水管道、运河和蓄水池，这些都证明是不起作用的。