Niobophyllite
铌叶石
🗣️ 情景例句
Your first great-grandchild.
你的第一个曾孙。
I'm sorry. You're right. I should have asked.
对不起。你说得对，我本该先问一声的。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。