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Pack ice around Iceland was becoming a threat to navigation.
冰岛周围的浮冰一度成为船舶航行的威胁。
《柯林斯英汉双解大词典》
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Navigation dangerous on area around the North Pole due to pack ice.
由于多积冰，在北极附近水域航行是危险的。
youdao
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Navigation dangerous on area around the North Pole due to pack ice.
由于多积冰，在北极附近水域航行是危险的。
youdao