caisson
noun /ˈkeɪsn/
/ˈkeɪsɑːn/, /ˈkeɪsn/
- a large concrete structure that does not allow water to get in, in which construction work can be done under water
- The caissons allowed us to protect the equipment and ensure safe exploration.
单词 | caisson |
释义 | caissonnoun /ˈkeɪsn/ /ˈkeɪsɑːn/, /ˈkeɪsn/
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