4周搞定2000+托福核心词
extinguisher = ex(出) + stingu(消灭) + ish(造成…) + er(人或物) = 消灭（火）的器物→灭火器
er = er(人或物) = 引申支撑物→梁
缝补的人→裁缝师
sewer
常考释义
But the alligators would escape and find their way into the New York sewer system where they started reproducing, grew to huge sizes and now strike fear into sewer workers.
然而短吻鳄会逃走并找到回去纽约下水道的路，在那里开始繁殖长成大短吻鳄，现在下水道工人也心有余悸。
来源于：听力OFFICIAL5 L1n. 污水管；下水道；阴沟【建
The boy kicked a stone into the sewer.
那个男孩把一石子踢进下水道.
The sewer was snarled up.
下水道堵了。
But the alligators would escape and find their way into the New York sewer system where they started reproducing, grew to huge sizes and now strike fear into sewer workers.
然而短吻鳄会逃走并找到回去纽约下水道的路，在那里开始繁殖长成大短吻鳄，现在下水道工人也心有余悸。
来源于：听力OFFICIAL5 L2Have you ever heard the one about alligators living in New York sewers?
你是否有听过生活于纽约下水道的短吻鳄的故事？
来源于：听力OFFICIAL5 L2Even before the discovery of germs, beliefs that disease spread by "miasmas" (noxious forms of bad air) prompted attention to sewers and open garbage; Edwin Chadwick led an exemplary urban crusade for underground sewers in England in the 1830s.
甚至是在发现细菌之前，人们就相信疾病是由“瘴气”（有害的坏空气）传播的，所以需要注意下水道清洁和露天垃圾的清理；19世纪30年代，查德威克在英国引领了一次模范性的城市运动，要求对城市下水道进行改革。
来源于：阅读OFFICIAL51 P3vt. 为…铺设污水管；为…挖掘下水道（或阴沟）
to sewer a new house
为新房子设置下水道
adj. 污水管的；下水道的；阴沟的【建】
the city's sewer system
城市的排污系统
n. 缝纫者；缝工；缝具；缝纫机【缝】
sewer system
污水管道系统
sewer pipe
污水管；下水管
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