追溯的

The family has traced its ancestry to the Norman invaders.

这个家族将自己世追到诺曼征服者。

Bob's book traces his flying career with the RAF.

鲍勃书追在英国皇家空军飞行生涯。

Variant hemoglobins (see sickle-cell anemia;hemoglobinopathy) can be used to trace past human migrations and to study genetic relationships among populations.

异常血红蛋白有助追人类过去迁移情况，并有助对人群中遗传研究。