1·Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.
出于对公众健康的担忧，1876年至1904年期间，为了服务于波士顿市区，政府修建了三个独立的下水道系统。
2·One of the latest casualties is the sewer system of Jefferson county, Alabama.
最近的一个受害者是阿拉巴马州杰弗逊县的下水道系统。
3·But the rationale for the deal was undermined by the credit problems of the "monolines", which insured the sewer system's bonds.
但是，这种交易的受到“单一险种保险”公司(这类公司为这个下水道系统进行保险)的信用问题影响。
4·For weeks, my laboratory smelled like the combined essences of sewer, garbage dump and locker room.
好几个星期，我的实验室就像是混合了下水道、垃圾堆和球员更衣室的味道。
5·A 40 kg sewer lid can be sold on the black market for roughly 6 euros (4 pounds), Goffaux said.
戈福说，目前，黑市上一块重达40公斤的下水道井盖可以卖到大约6欧元。