复数:pontoons
1.【军】平底船,浮舟;趸船;浮桥 (=pontoonbridge) 浮筒;起重机船;驳船
2.【牌】〈英〉二十一点
3.(水中工程用)潜水钟;沉箱
1.(在...上)架浮桥;用浮桥渡(河)
1.a type of boat or metal container with a flat bottom, used for supporting a temporary bridge for people on a boat to land on
2.the game of blackjack