Rhizobia
rhizobium 的复数
🗣️ 情景例句
You're home from school early.
你今天从学校回来得早。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
I'm an engineer.
我是工程师。