Nitrosobacteria
[复]n.=nitrite bacteria
🔁 扩展释义
【医】 亚硝化菌
🗣️ 情景例句
How many people are there in your family?
你家里有几口人？
I took out my pen.
我拿出了我的笔。
And I'm not going to get any!
没有了。不过，我不打算去买！