前来换气
Come and get some fresh air
以上为机器翻译结果，长、整句建议使用 人工翻译 。
冰上的孔穴生活在水中的哺乳动物，如海豚，前来换气的冰面上的孔。
A hole in ice to which aquatic mammals, such as dolphins, come to breathe.
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从眼前来说，地们对我们中间有些游不到5码便急不可待想换气的人来说，总该是个鼓励吧。
Meanwhile, they should encourage those among us who cannot swim five yards before they are gasping for air.
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