Brass is an alloy of copper and zinc.黄铜是铜锌合金。The worker worked in a little copper with the alloy.工人在合金里搀了一点铜.This is not pure gold ; there is some alloy in it.这不是纯金, 里面混有杂质....
Make a point of backing up your files at regular intervals.一定要定期备份文件。The Chinese make a point of their personal honor.中国人特别重视个人荣誉.I want to make a point about all these charges going up, water rates and all this that and...
He attended Eton, the most exclusive private school in Britain.他上的是伊顿公学，英国最昂贵的私立学校。Where will he go to school now he's been thrown out of Eton? What will become of him?现在他被伊顿公学开除了，他去哪儿上学呢？他将来又会怎样呢？...a stellar educa...
叙述了PI原丝的碳化和石墨化过程.The carbonization and the graphitization of PI filament were described.海上曾经孤立着一座石墨化的塔.There used 2 be a greying tower alone on the sea.硫对石墨的形核和生长, 对石墨化和石墨形态,有强烈的影响.Sulphur exerts a strong influences on g...