These black models are moving in on what was previously white territory: the lucrative cosmetic contracts.黑人模特正逐步涉足曾是白人主宰的领地：签约获利丰厚的化妆品行业。Radiation may damage cells in a way that was previously unforeseen.辐射可能以一种我们过去未能预见...
The device had been used operationally some months previously.该设备几个月之前曾投入运行。He may suddenly take a dislike to foods that he's previously enjoyed.对以前爱吃的食物，他兴许突然就没了胃口。He had first entered the House 12 years previously...
在巴西脊髓灰质炎实际上已经根除。Polio has been virtually eradicated in Brazil.脊髓灰质炎疫苗挽救了数以百万计的生命.The polio vaccine has saved millions of lives.1995年,已消灭脊髓灰质炎.By 1995 poliomyelitis had been totally eliminated....
Ag, don't worry about it.哦，别担心。They recommend this method as a measurement for determination of Ag dispersions.他们推荐这种方法做为测定银分散度的方法.The interlinked occurrente of positiveanomalies of Au, Ag, W, ect. and negative anom...