4周搞定2000+托福核心词
祖先
ancestry
常考释义
This suggested that the common ancestor of all snakes was actually a venomous lizard, which means that actually, according to this research, anyway, in terms of the snakes' ancestry, there is no such thing as a non-venomous snake, not even colubrids.
这就意味着所有蛇类的祖先都是毒蜥蜴, 也就是说, 根据这项研究, 关于蛇的祖先这个问题来讲, 根本就没有无毒蛇之说, 包括黄颌蛇.
来源于：听力OFFICIAL21 L3n. 出身；世系；血统
Many Gibraltarians can trace their ancestry on the Rock to the early 1700s.
许多直布罗陀人的世系可以追溯到18世纪初的直布罗陀巨岩。
And Proto-Indo-European branched out into other languages, which evolved into others, so in the end, many languages spoken all over the world today can trace their ancestry back to one language, Proto-Indo-European, which was spoken several thousand years ago.
并且，“原始印欧语系”还和其他的语言之间相互交叉，而这些语言又和别的语言相联系；总之，现今世界上流行的许多语言之间都可以溯源到一个共同的母语，即“原始印欧语”，它的使用时间大概是几千年之前。
来源于：听力OFFICIAL19 L2This suggested that the common ancestor of all snakes was actually a venomous lizard, which means that actually, according to this research, anyway, in terms of the snakes' ancestry, there is no such thing as a non-venomous snake, not even colubrids.
这就意味着所有蛇类的祖先都是毒蜥蜴, 也就是说, 根据这项研究, 关于蛇的祖先这个问题来讲, 根本就没有无毒蛇之说, 包括黄颌蛇.
来源于：听力OFFICIAL21 L5n. （统称）祖先，祖宗
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