Niobyl
铌氧基
🗣️ 情景例句
It was a pleasure meeting you, too.
我也很高兴碰到你。
Self-distrust is the cause of most of our failure.
我们的失败多数是由于缺乏自信。
I can't do that, Mr Tiger, said the monkey.
“我不能这么做呀，老虎先生，”猴子说