Nitrobacteria
n. 硝化细菌
🗣️ 情景例句
And don't be so independent.
不要再坚持独立个性了。
Mrs.Jones,this is Mr. John Smith.
琼斯夫人，这是约翰、史密斯先生。
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。