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来源:雅诚德英语网
When did the first man or woman think about buttressing such a habitat using tree limbs?
曾起何时第一个男人或女人想到树枝去支撑他们的窝?
When did the first man or woman think about buttressing such a habitat using tree limbs?
曾起何时第一个男人或女人想到树枝去支撑他们的窝?