| 释义 |
pontoon2/pɒnˈtu:n/ n. & v.●n. 1 a flat-bottomed boat 平底船 2a each of several boats, hollow metal cylinders, etc., used to support a temporary bridge (架设临时桥的)浮舟，浮筒 b (also 亦作 pontoon bridge) such a bridge 浮桥 3 = CAISSON 1, 2 ●v. tr. cross (a river) by means of pontoons 用浮桥渡(河)[French ponton from Latin ponto -onis, from pons pontis ‘bridge’] |