Nitrococcus
亚硝化菌
🗣️ 情景例句
Don't go looking for trouble.
别没事找事。
No. I've been in California for the past month.
没有，我刚到加利福尼亚去了一个月。
Fred Pearson was walking through the university town of Oxford one morning in 1961.
1961年的某个早上，弗雷德·皮尔逊正步行通过牛津大学城。