他们渐渐意识到他们的这种状况将永久地持续下去。They gradually realized the permanency of their condition.该船现在永久地停泊在伦敦泰晤士河边.The ship is now permanently moored on the Thames in London.他们渐渐意识到他们的这种状况将永久地持续下去。They gradually realized the permanence ...
探讨了 间甲酚 含量的容量分析方法.The determination ofm - cresol content by brominating volumetric method was investigated.利用间甲酚紫作指示剂定量地测定食醋中总酸的含量.This paper suggested am - cresol purple, which could determine quantitatively the content...