noun 下载 🔗分享 古细菌,太古菌 Any primitive bacteria-like organism in the kingdom Archaea. Examples : "Scientists study archaebacterium to understand early life on Earth because it thrives in extreme environments. " 科学家研究古细菌,因为它们能在极端环境中生存,这有助于我们了解地球早期的生命。 organism microorganism biology science 与AI对话词汇游戏阅读练习