短语词组短語medium ice -floe 中浮冰塊ice e floe 冰川Vast Ice -floe 巨浮冰塊ice fall floe 浮冰ice -floe 冰磐;海冰tracking along ice -floe 沿浮冰外緣航行ice floe survey 冰淩調查small ice floe 小冰磐ice float ice floe 冰浮塊 返回 ice floe