Quaternary carbon atom
[化] 季碳原子
🧩 词语组成解析
a. 四个一组的, 四元的, 四价的, 季的\\n[计] 四进制的, 四元的
🗣️ 情景例句
Four will be good.
4只应该够。
Have you somewhat to do tomorrow,do it today.
明天如有事，今天就去做。
Its wool, which had been dyed black, had been washed clean by the rain!
原来羊毛上染的黑色被雨水冲掉了！