milk was not part of the diet historically

milk was not part of the diet historically

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送交者: meiyou 于 2010-05-12, 16:54:21:

回答: 水土？亚洲地区重力比较大？由 DW 于 2010-05-12, 16:50:30:

归根到底是羊牛因素。 (无内容) - DW (0 bytes) 2010-05-12, 17:01:50 (440837)