Rontgenite
氟維鈣鈰礦
??? 情景例句
Bye.
再見。
I met her at the department store.
我在百貨公司遇到她。
When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously.
當(dāng)倫敦動物園接到報告說，在倫敦以南45英里處發(fā)現(xiàn)一只美洲獅時，這些報告并沒有受到重視。