Studies indicate that chymist coprecipitation azeotropic distillation can better prevent from hard - agglomeration and obtains homodisperse nanoparticle.研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体....
顾客们知道我们的清仓大甩卖是实实在在的全场降价。Customers know that our stocktake sales offer genuine markdowns across the store.买衣服是最划算的，许多衣服都降价了。Clothes are the best bargain, with many items marked down.零售商将不得不为了提高销量而大幅降价。Retailers will have ...
Would you like teacups or galsses?你喜欢用玻璃杯还是茶杯?When they'd gone, McMinn tidied away the glasses and teacups.他们走后，麦克明把玻璃杯、茶杯收拾了起来。The host refreshed our teacups.主人又为我们斟茶.Take away these teacups.把这些茶杯拿走....
Sixties singing star Petula Clark is making a comeback.60年代的歌星佩杜拉·克拉克复出了。Romance is making a comeback. Reality is out.浪漫主义正重新流行起来，而现实主义过时了。Tight fitting T-shirts are making a comeback.紧身T恤再度流行起来。...
这种疾病据说起源于热带地区。The disease is thought to have originated in the tropics.这风俗起源于苏格兰.The custom is of Scottish derivation.众所周知,针灸起源于中国.It's known that acupuncture originated in China....