Euxantogen
[化] 优黄原
🗣️ 情景例句
What kind of people do you work with?
你最喜欢和哪类人合作？
To examine the problem
检讨问题
For most of the earth's history they have been the only form of life on our planet.
在地球上发展的大部分进程中，细菌是地球上唯一的生命形式。