英语语法分析

In the early 17th century, a new Romanov Dynasty continued this policy of expansion across Siberia to the Pacific.

在17世纪早期，新的罗马诺王朝继续从西伯利亚往太平洋扩张。

Further testing in Great Britain established the mitochondrial-DNA haplogroup and sequences for the Romanov family line.

英国安排进一步为罗曼诺夫家族做线粒体d NA单倍型和序列测试。

Complete closure came earlier this year when DNA testing on some newly unearthed bone shards identified Prince Alexei, the last missing Romanov.

今年早些时候，当对一些最近出土的尸骨碎片进行DNA测试验明王子阿列克谢，即最后一位失踪的罗曼诺夫时，这个故事就圆满结束。