| 单词 | cofferdam |
| 释义 | cofferdam (once / 82079 pages) n WORD FAMILY cofferdam: cofferdams USAGE EXAMPLESThe so-called cofferdam will allow workers to repair the ship’s corroded hull for the first time in more than 60 years. Washington Times(Jul 18, 2016) The area behind the cofferdam swarmed with men and machines, all raising individual clouds of dust. Daniel James Brown, The Boys in the Boat: Nine American...(2014) The cofferdam was an engineering challenge, but the cold was a more visceral one. New York Times(Mar 01, 2015) n large watertight chamber used for construction under water Syn|Hyper caisson, pneumatic caisson chamber a natural or artificial enclosed space |
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