Methanobacteria
甲烷桿菌
🗣️ 情景例句
Yes? May I help you?
什么事？我能为您效劳吗？
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。
Mum, I don't feel very well.
妈妈，我感到不舒服。