At high latitude, it is difficult to get enough oxygen.

在海拔高的地方, 很难得到足够的氧气.

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The phenomenon that rivers freeze in high latitude and cold regions is universal.

摘要高纬度寒冷地区的河流在冬季结冰是一种普遍现象.

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Formation of glacier worldwide is all related with high sea level and high latitude.

全球所有冰川的形成均与高纬度和高海拔密切相关.

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Rivers in high latitude areas usually form ice cover, ice jam or ice dam during winters.

高纬度地区河流冬季常形成冰盖 、 冰塞或冰坝.

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