Azotobacter
n. [微]固氮(细)菌
🔁 扩展释义
【医】 定氮菌类
🗣️ 情景例句
Why don't you write to me, Robbie,
你为什么不给我写信呢 ，Robbie，
The lion's skin is never cheap.
狮皮从不贱。
Ducks know how to swim when they are born.
鸭子天生会游泳