Amazingly, these mitochondria were once free - living bacteria that were captured by an early single - celled eukaryote.令人惊奇的是, 这些线粒体曾是被早期 单细胞 真核生物俘获的自生细菌....

eukaryote的音标：eukaryote的英式发音音标为：[jʊ'kærɪəʊt]eukaryote的美式发音音标为：[ju'kærioʊiət]...

n.真核细胞...