Dicovalent carbon
[机] 二价碳
🧩 词语组成解析
🗣️ 情景例句
That's a good idea.
好主意。
When in doubt, play trumps.
举棋苟不定，何妨将一军。
Your wife would not be pleased to hear you say that.
你的妻子听到你那么说是会不高兴的。