Bacterium nitrobacter
[医] 硝化杆菌
🧩 词语组成解析
[医] 硝化菌属
🗣️ 情景例句
What is your regular practice concerning the terms of payment?
你们一般采用什么付款方式？
In my opinion, the product must be priced under $ 300.
就我的意见来说，产品价格必须订在300美元以下。
There is a mark of ink on his shirt.
他的衬衣上有一块墨迹。