Nitrosomonus
亚硝化毛桿菌
🗣️ 情景例句
She was still beautiful at the age of forty.
她活到四十岁仍然很美。
I wasn't born yesterday.
我又不是三岁小孩。
I think you were a little too high on some of the items.
我想你们有几个项目的价格高了一点。