Niobic
a. [化] 铌的, 含铌的
🗣️ 情景例句
so that we don't have to worry about any structural problems.
我们就可以不用担心任何结构上的问题。
The fox may grow grey, but never good.
狐狸活到老，永远难变好。
How do you do?
您好！