7.the detritus of a forgotten shipwreck in an Arctic sea.
冰洋中一艘被遗忘的沉船的残骸。
8.prepared the ship for an arctic expedition.
装备极探险的船只
9.unpeopled Arctic wastelands.
无人居住的冰洋荒岛
10.The Arctic remains the domain of the polar bear.
极仍是极熊的领地。
11.He will go up to the Arctic Region.
他将到极地区去。
12.His father is an Arctic explorer.
他父亲是一位极探险者。
13.Have you been to the Arctic?
你到过极吗?
14.Arctic exploration; exploration of new theories.
极探险;新理论的探索
15.The permanent Arctic halocline, one of the particular structures in the upper Arctic ocean, is very important to the maintenance of the sea ice and cold surface layer in the Arctic ocean.