caissonEnglish → ChineseOxford English–Chinesecaisson /BrE ˈkeɪs(ə)n, kəˈsuːn , AmE ˈkeɪˌsɑn, ˈkeɪs(ə)n / noun 1 (chamber) [水下作业用的] 沉箱 2 (floating structure) [打捞沉船用的] 充气浮筒