ancestry
n. 祖先，血统；（动植物的）世系，演化；起源，滥觞
复数 ancestries
例句
What is skeptical observers' opinion on ancestry testing?
持怀疑态度的观察者们对血统检测的看法是什么？
It is probable that the nocturnal trades a way back in the ancestry of all mammals.
这种夜间的“交易”也许可以一直追溯到所有哺乳动物的祖先身上。
What we did in our ancestry was to produce more permanent natural coloring in our skin cells.
我们祖先所做的是在我们的皮肤细胞中产生更持久的天然色素。
