Cooperite
[化] 硫砷鉑礦
??? 情景例句
one of the best tennis players on the Michigan team--
當年Michigan球隊最好的網(wǎng)球選手--
How much is the telephone bill a month?
每個月電話費要多少錢？
I'll phone Dr. Carter.
我去給卡特醫(yī)生打電話。