Sewer
01
下水道
a system of underground pipes and tunnels used to carry away used water and waste matter from houses, factories, etc.
例
The city's sewer system underwent extensive upgrades to improve drainage and prevent flooding.
都市の下水道システムは、排水を改善し洪水を防ぐために大規模な改修が行われました。
02
a person who sews clothing or other items
03
a misfortune or loss, especially involving wasted effort or money
語彙ツリー
sewerage
sewer
sew
