Marble, a metamorphic rock, forms when limestone re - crystallizes.大理岩, 变质岩, 形成时当石灰石重新结晶.Nitrosoguanidine crystallizes when the solution is cooled to 0℃.当萃取液冷却至0℃时,亚硝基胍结晶析出....a 19th century technique that actually cryst...
...items of Bronze Age pottery.青铜器时代的陶器Interested in traditional crafts such as hammocks , wood carvings and pottery?喜欢吊床 、 雕刻和陶瓷等工艺品 吗 ?Ancient people made clay pottery because they needed it for their survival.古代人制作陶器是...
I'll have to scrape together some money for a sight - seeing trip.我得积蓄点钱去旅游.If you want money at any time, I can always scrape together a tenner, you know.不论你什么时候缺钱花, 我总能为你凑那么十来镑, 这你知道.Joe is trying to scrape togeth...