Bacterium nitrobacter
[医] 硝化杆菌
🧩 词语组成解析
[医] 硝化菌属
🗣️ 情景例句
Yup.
是的。
I'm sorry I forgot your birthday, it completely slipped my mind.
我很抱歉忘了你的生日，我完全不记得了。
both men were genuinely sorry that they had to leave.
这二位不得不离开那个荒岛时，还真的感到遗憾呢！