Carbocation
碳阳离子
🗣️ 情景例句
And I am a hard worker when I have something challenging to do.
并且在遇到挑战性的工作时，我是个很努力的人。
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
Are you looking forward to your holiday?
你在盼着你的假期吗？