网站首页  情感咨询  情感美文  情感百科  情感生活  学习充电  旧版美文

请输入您要查询的词汇：

　

词汇 Bilateral animal
分类 英语词汇 英语翻译词典
释义

Bilateral animal

原声例句
科学洞察双语版

Despite the fact our common ancestor lived nearly 700 million years ago, the genes that determine where nerves and guts end up are amazingly similar among all bilateral animals.

尽管我们的共同祖先生活在近7亿年前，但决定神经和肠子终结处的基因在所有的双边动物中都惊人地相似。

英语百科

Bilateria

Illustration of the different types of symmetry in lifeforms (Field Museum, Chicago). Bilateral forms can have heads. Lifeforms with other types of symmetry have corresponding organs, if not a head.

The bilateria /ˌbaɪləˈtɪəriə/ or bilaterians are animals with bilateral symmetry, i.e., they have a front ("anterior") and a back ("posterior") as well as an upside ("dorsal") and downside ("ventral"); therefore they also have a left side and a right side. In contrast, radially symmetrical animals like jellyfish have a topside and a downside, but no identifiable front or back.
随便看

　

依恋情感网英汉例句词典收录3870147条英语例句词条，基本涵盖了全部常用英语单词的释义及例句，是英语学习的有利工具。

　

Copyright © 2004-2024 Yiyi18.com All Rights Reserved
京ICP备2021023879号 更新时间：2025/9/1 10:23:26