Columbic acid
[建] 铌酸
🧩 词语组成解析
[建] 铌的, 含铌的
🗣️ 情景例句
It helps enormously.
这个帮助很大。
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
Members of the press weren't allowed into the meeting.
新闻记者不得进入会场。