短語詞組短語close pack -ice 密集流冰群pack -ice 大塊浮冰very open pack ice [海洋]全分離流冰;非常稀疏漂流冰Antarctic Pack Ice Seals 南極浮冰海豹very close pack ice 密集流冰;非常密集漂流冰;非常密集流冰群open pack ice 稀疏冰;稀疏冰稀疏冰;稀疏塊冰;開裂浮冰consolidated pack ice 堆積厚冰compact pack ice 密集堆冰rafted pack ice 筏形流冰群 返回 pack ice