Niobous
a. [化] 亚铌的, 三价铌的
🗣️ 情景例句
I chose to continue with my career as a music teacher.
我选择继续我的音乐教师的事业。
Good night.
晚安
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。