Instead of silver nitrite mercuric nitrite may be used.可以用亚硝酸汞来代替亚硝酸银.Mercury fulminate may contain trace of mercuric oxalate.雷汞中可能含有微量的乙二酸汞.Patch testing showed that the patient was sensitive to ammoniated mercury , mer...
Instead of silver nitrite mercuric nitrite may be used.可以用亚硝酸汞来代替亚硝酸银.Mercury fulminate may contain trace of mercuric oxalate.雷汞中可能含有微量的乙二酸汞.Aim To discuss the effect of mercuric sulfide in the cinnabaris.目的探讨硫化汞在朱砂中的作用....
成天受嘲讽是很令人泄气的.It's very discouraging to be sneered at all the time.上座人数一直持续下降，使得戏剧导演产生悲观泄气的情绪。Attendance figures had been steadily dropping, creating a mood of doom and discouragement among theatre directors.令人泄气的环境对...