Columbic acid
[建] 铌酸
🧩 词语组成解析
[建] 铌的, 含铌的
🗣️ 情景例句
How long does your vacation last?
你的假期有多长？
The recent rain has had a bad effect on the crops.
最近的那场雨对庄嫁的影响不好。
He soon made a name for himself and came to be known to the Italians as Giovanni Acuto.
很快就出了名。意大利人叫他乔凡尼。 阿库托。