Niob
[机] 钶, 铌
🗣️ 情景例句
What about Michelle's school?
那Michelle的学校怎么办？
Since we need the goods urgently, we must insist on express shipment.
由于我方急需这批货物，我方坚持使用快递装运。
or those inviting 'our camping friends' to a dance or a boat trip are printed not only in French or Italian or Spanish,
和邀请露营朋友参加舞会、乘船观光的招贴不仅印成法语、意大利语、西班牙语，