Carbocation
碳阳离子
🗣️ 情景例句
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
I hurried to my office.
我匆忙赶到办公室。
Henry Taylor, he went offimmediately to visit him,
亨利·泰勒，就立刻跑去看他，