双舟盛 shuangzhousheng

双桨舟 pair oar boat ; double-paddle canoe

双体船双连舟排筏 catamaran

双角缝舟藻 Rhaphoneis amphiceros Ehrenberg

双体舟 double canoe

双人双桨舟 canoe-pair

双舷平衡体舟 double-outrigger canoe