but their stationary dwellings
In the summer, these people live in rude tents made of seal - skin, but their stationary dwellings are huts, half under ground, built of earth, bones, and turf and entered by a long, low tunnel, which has to be passed on all fours.
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but their stationary dwellings
而是他们固定的住所
以上为机器翻译结果，长、整句建议使用 人工翻译 。