Niobium
n. 铌\\n[化] 铌Nb
✅ 同义词
🗣️ 情景例句
Susan's teddy bear.
Susan送的泰迪熊
His hand is swollen, Does it hurt?
他的手肿起来了，疼不疼？
People who live in Britain needn't despair when they made mistakes like this (and a lot of people do)!
当英国人犯这种错误时，他们不必感到绝望（而许多国家的人都有这种绝望的感觉）。