The method is presented for preparation metasilicate pentahydrate from residue after extracting magnesium from serpentine ore.以蛇纹石提镁残渣为原料,采用常压蒸馏法直接合成了六配位有机硅化物.Gold ore main type is auriferous quartz vein type.金矿床主要为含金硫化物...
The sign on the bus read "Private: Not In Service".巴士的标牌上写着“私家车：不对外出租”。I had to sign on the dole on Monday.我只好于星期一办理了领取失业救济金的登记。It's time for you to sign on.你该播音了....
The pond contains a mixture of goldfish and carp.池塘里混养着金鱼和鲤鱼.The goldfish swam round and round in their tiny bowls.金鱼在小小的鱼缸里一圈圈地游来游去。Living in this goldfish bowl of publicity would crack the strongest marriage.生活在这种全无隐私可...