共同祖先 meaning in English
common ancestor
common descent
Examples
- It is usually used to study the evolution of the sequences from a common ancestor , especially biological sequences such as protein sequences or dna sequences
这一方法常用于研究由共同祖先进化而来的序列，特别是如蛋白质序列或dna序列等生物序列。 - Wheeler ' s team used dna sequencing and computer simulations to reconstruct the evolutionary tree of venomous fish ? all the way back to their common ancestor
威勒的团队使用dna排序和计算机模拟的方法重构了有毒鱼类的遗传树,一直追溯到它们的共同祖先 - Last year , the team found a 13m - year - old partial skeleton , also believed to be a common ancestor of apes and humans - a male fruit - eater , nicknamed pau
去年这个队伍发现了1千3百万年前的不完整骨骸，咸信为猿与人的共同祖先，男性以水果维生， ?称包乌。 - Some of these animals have modified or lost their limbs , but their common ancestor had them ? two in front and two in back , where fins once flicked instead
这些动物之中，有的改变了形象或者失去四肢，但?们的共同祖先都具有四肢，两只在前、两只在后，位于原本是鱼鳍拍动的地方。 - The evolutionary tendency or process by which animals or plants that are descended from a common ancestor evolve into different forms when living under different conditions
分歧，相异。指来源于一个共同祖先的动物或植物后裔在不同的生活条件下演变成不同的形式的进化趋势或过程。