Niobium
n. 铌\\n[化] 铌Nb
✅ 同义词
🗣️ 情景例句
How much do you want for this?
这件东西你想卖多少钱？
Look not for musk in dog's kennel.
狗嘴里吐不出象牙。
Ducks know how to swim when they are born.
鸭子天生会游泳