He explained the yellow fever epidemic as a providential act to discourage urban growth.他解释说黄热病的流行恰好减缓了城市的扩张。It'struck her as providential that she should be the instrument of his initiation.在她看来,由她来担任这个启蒙的角色实出天意.Th...
There is a common method of refining alkaline cleaning , clay refinement and hydrofining, and so on.常用的精制方法有碱洗, 白土精制和加氢精制等.The development of new petroleum wax hydrofining catalyst - FV - 10 commercial experiments on var...
当我们从一些树下面经过时,迈克提到他差点儿学林学.As we passed under the trees Mike noted that he almost studied forestry.那时年轻的本富兰克林学着印刷技术,作义兄詹姆的学徒.Young Ben Franklin learned the printing trade by serving as an apprentice half brother James....