Nitrobacter
[医] 硝化菌属
🗣️ 情景例句
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
There is nothing worse than apathy.
哀莫大于心死。
Though the costume consisted only of a sheet, it was very effective.
尽管化装服仅由一个被单制成，却十分逼真。