Nitrococcus
亚硝化菌
🗣️ 情景例句
You're very generous.
你真慷慨。
Everything new is fine.
新事物总是美好的。
It is a good idea to start a part-time job so long as it does not affect your studies.
只要不影响学习，干兼职工作的想法是不错的。