vestigial structures
v开头单词
基本解释
英汉例句
双语例句
- This is why these vestigial structures are almost always removed when they begin to come in.
所以今天我们总是在它们刚刚开始长的时候就会拔掉。 - Similar in concept to vestigial structures are atavisms, which are the reappearance of a structure or trait that isn’t found in the immediate ancestors.
跟退化结构相似的概念还有返祖现象，它的意思是生物体身上重新出现直系祖先没有的结构或特征。 - But these vestigial organs and structures, once useful in an ancestor and now diminished in size, complexity, and/or utility, carry important information and give us clues to our evolutionary past.
可是事实上，这些退化的器官和结构在它们的祖先身上是有用的，而现在则从尺寸、结构复杂性和实用性上面都逐渐退化，这提示了我们关于人类进化的重要线索。
词组短语
短语
- vestigial l structures 残留器官
专业释义
