较新的材料, 如 Syton 这种化学?机械抛光剂正开始使用.Newer materials, such as Syton, are chemo - mechanical and are beginning to be used.这种彩色抛光剂 -- 外表为半光泽或缎状 -- 据说是很耐久的.The color finish -- of semi - glass or satin appearance -- is said to be ...
When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。They'll have to give up co...
The region is thought to have some of the world's largest untapped oil reserves.该地区据信有世界上最大的未开发石油储藏.There is enormous, acknowledged and untapped potential in the Indian stock markets.印度的股票市场蕴含着巨大的、公认的、尚未挖掘出来的潜力。unta...