This is Ardi - the oldest member of the human family tree we've found so far.
科学家昵称她为“阿蒂”，她是讫今被发现的人类族谱上最早期的成员。
"This potentially allows us to find new twigs on the human family tree," he said.
“这能让我们找到人类基因树的新枝，”他说。
But with all of this bustling progress, many questions about the human family tree remain.
尽管有这许多的进步，众多关于人类家族树的疑问依旧未解。
But lack of definitive fossil evidence has many guessing whether this primate was really a biped-and just where she might fit on the human family tree.
但由于缺少决定性的化石证据，关于这种灵长类动物是否是两足动物——以及她在人类的家族树中究竟占据什么位置——存在着许多猜测。
Recently, scientists in the chinchilla gene lemurs found HIV and the human (HIV) viruses belong to one family tree.
日前，科学家们在灰鼠狐猴的基因中找到了与人类艾滋病毒（HIV）同属一个族谱的病毒。
Recently, scientists in the chinchilla gene lemurs found HIV and the human (HIV) viruses belong to one family tree.
日前，科学家们在灰鼠狐猴的基因中找到了与人类艾滋病毒（HIV）同属一个族谱的病毒。
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