日语韩语或都发源于中国东北(8)

该研究团队通过研究这些语言的语言学特征，并根据它们之间的相似性，利用计算分析绘制它们在空间和时间上的传播图。这样做使罗伯茨和她的团队能够追溯到大约9000年前中国东北的辽河地区的原始-泛欧亚语言。
similarity
表示“类似；相似”，英文解释为“the fact that people or things look or are the same”举个：
I can see the similarity between you and your mother.
我能看出你和你母亲的相似之处。
proto-
表示“第一，首要；原始”，英文解释为“first, especially from which other similar things develop; original”如：a prototype 原型。
This is the exact time and place that millet is known to have been domesticated, according to archaeological evidence, says Robbeets.
罗伯茨说，根据考古学证据，这正是已知的谷子被人工培育的时间和地点。
domesticate
表示“驯化，驯养；人工培植”，英文解释为“to bring animals or plants under human control in order to provide food, power, or company”举个：
Dogs were probably the first animals to be domesticated.
狗很可能是最早被驯化的动物。
By adding genetic information and carbon-dating millet grains, the team revealed that the proto-Transeurasian-speaking population split into separate communities that then started adopting early forms of Japanese, Korean and the Tungusic languages to the east of the original site, as well as early forms of Mongolic languages to the north and of Turkic languages to the west.