英语词汇actinopterygians怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	actinopterygians
释义	actinopterygians 简明释义辐鳍鱼类网络释义 1 ?或辐鳍鱼类研究表明，大约3-4亿年前，这种海洋动物一部分进化为条鳍鱼类（ray-finned fishes）或辐鳍鱼类（actinopterygians）留在水中，另一部分则进化成了总鳍鱼（lobe-finned fishes）或肉鳍鱼（sarcopterygians），后者进化成了陆生脊椎动物。双语例句 1 Osteichthyes the formerly recognized class Osteichthyes is not a monophyletic group. It now has the status of a vernacular to include the fish-like Sarcopterygii and the actinopterygians. 硬骨鱼系先前公认的硬骨鱼系的层级不是一个单源的群。它现在有专门的地位，包括像鱼一样的肉鳍次亚纲与条鳍次亚纲。
随便看	neutron wave neutron wavelength neutron well logging neutron width neutron worth neutron yield neutron yield per absorption neutron yield per absorption neutron yield per fission neutro optics neutropause neutropenia Neutropenia associated with autoimmune disease Neutropenia associated with infectious disease neutropenia Neutropenia with dysgranulopoiesis neutropenic neutropenic angina Neutropenic Enterocolitis Neutropenic splenomegaly Neutropenic typhlitis neutrophil neutrophil actin dysfunction neutrophil activating factor Neutrophil Activating Peptide

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