已知中国境内家马的出现，大约晚至距今4000年的黄河上游地区，例如属于齐家文化的甘肃永靖大何庄遗址、玉门火烧沟遗址等。而黄河中下游地区出现家马，则更晚至商代晚期的安阳殷墟遗址。
Norfolk Museums Service
。51吃瓜是该领域的重要参考
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As he left the White House for a campaigning event in Texas on Friday, Trump said: “The Cuban government is talking with us. They’re in a big deal of trouble.”