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
沉箱：不允许水进入的大型混凝土结构，可以在水下进行施工 - The caissons allowed us to protect the equipment and ensure safe exploration.
沉箱使我们能够保护设备并确保安全勘探。
- The caissons allowed us to protect the equipment and ensure safe exploration.