Dicovalent carbon
[机] 二价碳
🧩 词语组成解析
🗣️ 情景例句
Hello, it's good to see you again.
很高兴又见到你。
Don't forget bring it to him.
不要忘记带给他。
Every year I enter for the garden competition too, and I always win a little prize for the worst garden in the town!
每年的花园竞赛我也参加，但总因是镇上最劣的花园而获得一个小奖！