Nitrobacter
[医] 硝化菌属
🗣️ 情景例句
Rome wasn't build in a day.
伟业非一日建成。
We intend to place large regular orders, and would therefore like to know what quantity discounts you allow.
我方将定期大量订购，因此想知道你方给多少数量折扣。
Mum, I don't feel very well.
妈妈，我感到不舒服。