Nitrococcus
亚硝化菌
🗣️ 情景例句
He bites off more than he can chew.
贪多嚼不烂。
A man without a smiling face must not open a shop.
人无笑脸，不要开店。
Hello, Jim. Good! You're at home. How are you?
你好，吉姆，太好了，你在家呢！你好吗？