Nitrobacter
[医] 硝化菌属
🗣️ 情景例句
For example, did you know that 1 in 4 teenagers has tried marijuana?
比如，你是否知道4个青少年中就有1位曾经吸过大麻？
It will do you good.
这会对你有好处。
Who do you make them for?
你做机器干什么呢？