Niob
[机] 钶, 铌
🗣️ 情景例句
Most boys like baseball, but he is an exception.
大多数的男孩喜欢棒球，但他是个例外。
Give never the wolf the wether.
莫把阉羊送给狼。
However, it was his turn to be surprised,
没料到这回该轮到他自己吃惊了。