Niob
[机] 钶, 铌
🗣️ 情景例句
Yeah, just like I certainly did not expect to buy these gifts at such low prices.
是啊，我怎么也没想到买这些礼物才花了这么点钱。
I hope I'm not in the way.
我希望没有造成妨碍。
The month after next he'll fly to Tokyo.
再下个月他将飞往东京。