Backing them is Xuelong-2, China's first domestically built icebreaker featuring bi-directional icebreaking technology.

他们搭乘的是“雪龙 2”号，这是中国第一艘采用双向破冰技术的国产破冰船。

Russian officials said a nuclear-powered icebreaking ship was being brought in to move the station onto an island.

俄罗斯官员称将派遣一艘核动力破冰船来将考察站转到一座岛屿上。