Dicovalent carbon
[机] 二价碳
🧩 词语组成解析
🗣️ 情景例句
But you can have one when you go home, Carl.
但你回去以后还可以办一个呀 ，Carl。
Is it convenient to you if I come at 6 p.m.?
如果我下午6点来拜访你，方便吗？
Yes! They're having a good time.
是呀！他们玩得很痛快。