Nitrobacterium
[医] 硝化菌
🗣️ 情景例句
Therefore, Ms. Smith has asked me to tell you that a meeting would not be helpful at this time.
我转告你现在会面没有什么意义。
Nothing for nothing.
不费力气，一无所得。
The tree has grown against a warm wall on a sheltered side of the house.
那棵树是靠着房子有遮挡的一面暖墙生长的。