早在16世纪镁盐被用作泻药.Magnesium were employed as cathartics as early as the 16 th century.这是疗效很好的泻药.The medicine was an effective purge.医生认为给病人服泻药的时候到了.The doctor think it is time that he physic the patient....
Using short, easily recognized words facilitates navigation with minimal conscious reading.采用短且易于识别的文字,才能让用户用最少的有意识阅读在界面中导航.It facilitates the combination of the different channels.它有利于把各信道组合起来.The extent to which softwa...
在伟晶岩接触带,硫化物成分变为黄铜矿 、 针镍矿 、 黄铁矿及硫镍铁矿, 伴生有磁铁矿和赤铁矿.At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and accompanied by magnetite and hematite....