a ship with a reinforced bow to break up ice and keep channels open for navigation
同义词：icebreaker
a sailing vessel with runners and a cross-shaped frame; suitable for traveling over ice
同义词：ice yacht, scooter
iceboat详细解释
ice.boat n.Nautical （名词）【航海】 A boatlike vehicle set on sharp runners, used for sailing on ice.冰上滑艇：一种装有尖利的滑橇、类似船的工具，用于冰上滑行See icebreaker 参见 icebreaker 【引伸】 ice.boat.er n.（名词）ice.boat.ing n.（名词）
