Nonylene
壬烯
🗣️ 情景例句
I think I have fallen in love with someone.
我恋爱了。
Who are you?
你是谁？
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。