Arrhenite
铍钽铌矿, 蚀变的褐钇铌矿
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
OK. That'll be $12.00, please.
到了。请付12美元。
Suddenly the door of the storeroom was opened and a man entered.
突然贮藏门开了，一个男人走了进来。