1. As the hot steam condenses on the edges, it refreezes and forms icicles. 而高温蒸汽亦会在边缘处凝结,从而形成冰柱。
2. The findings add another wrinkle to a problem climate scientists have been warning about since the record melt of 2007: after each summer meltback, the Arctic Ocean refreezes completely in winter. 这个结果在原有的基础上,给气候问题增加了另一个新的曲折。 自2007年融化的冰的面积创纪录,气候科学家们已经警告:每年夏季反复融化冻结后,北冰洋在冬天冰会完全冻结的。