日语韩语或都发源于中国东北(9)

通过添加遗传信息和对谷粒进行碳测定，研究团队发现原始-泛欧亚语人口分裂成不同的社区，然后开始采用原址东部的日语、韩语和通古斯语的早期形式，以及北部的蒙古语和西部的土耳其语的早期形式。
carbon dating
表示“（计算古物年代的）碳年代测定法，碳定年法”，英文解释为“a method of calculating the age of extremely old objects by measuring the amount of a particular type of carbon in them”。
grain
表示“（尤指像稻谷、小麦等像草一样的植物的）谷粒，颖果，谷（物）”，英文解释为“a seed or seeds from a plant, especially a plant like a grass such as rice or wheat”如：grains of wheat/rice 麦/米粒。
“We have languages, archaeology and genetics which all have dates. So we just looked to see if they correlated,” says Robbeets.
“我们有语言学、考古学和遗传学，它们都有日期。所以我们只是看看它们是否有关联，”罗伯茨说。
Around 6500 years ago, the descendants of some of these farmers moved eastwards into Korea, where they learned to cultivate rice around 3300 years ago, spurring the movement of people from Korea to Japan.
大约6500年前，其中一些农民的后代向东进入韩国，在那里他们在3300年前学会了种植水稻，促进了人们从韩国到日本的迁移。
descendant
descendant /dsndnt/ 表示“后裔；后代；子孙”，英文解释为“a person"s descendants are their children, their children"s children, and all the people who live after them who are related to them”举个：