Nitrosomas
亚硝酸菌
🗣️ 情景例句
I'm so hungry, I could eat a horse.
我饿得能吃下一匹马！
Hush! Talk quietly.
嘘！请小声讲话。
Bonny, take the next dirt track on the left. That will take us down into the valley.
波尼，沿着左边的下一个土路走。我们将沿路而下进入河谷。