Carbocation
碳阳离子
🗣️ 情景例句
I was. I came back here last month on vacation.
本来是，不过上个月回来度假。
I wonder if it will be too long.
我不知道它是不是会太长。
Eventually chains were fixed to one end of the dish and a powerful winch was put into operation.
不过，他们终于将链条固定在盘子的一端，一台大功率的绞车开动起来。