Dianion
二价阴离子
🗣️ 情景例句
He plays games with his daughter every night after work.
下班后他每晚都和他的女儿玩游戏。
I wish I could.
但愿我能。
Mr. And Mrs. Green have stockings, too.
格林先生和格林夫人也有长统袜。