Lancasterite
水菱镁矿
🗣️ 情景例句
He always performs his tasks perfectly.
他总是圆满地完成工作。
The statesman retired as the mayor of New York.
那位政治家退休时是纽约市市长。
Diamond necklaces and rings had been beautifully arranged on a background of black velvet.
钻石项链、戒指漂亮地陈列在黑色丝绒上面。