Nitrosomas
亚硝酸菌
🗣️ 情景例句
This is wonderful, you're a great cook.
太好吃了，你真是个好厨师。
Be slow in choosing a friend; slower in changing.
选择朋友要审慎，摒弃更要审又慎。
Maybe we had better do that.
看来就这么办吧。