Columbic acid
[建] 铌酸
🧩 词语组成解析
[建] 铌的, 含铌的
🗣️ 情景例句
I think I'll catch the train to work from now on.
我想从现在开始我会坐火车去上班。
Business is business.
公事公办。
Oh good. Come in. I'm his son.
好吧，请进。我是他的儿子。