他说过不管资历如何，任何编辑人员他都有可能解雇。He has said he will fire editorial employees without regard to seniority.很难为国民医疗保健系统的实验室招募到资历合适的高级科研人员。There are problems in recruiting suitably qualified scientific officers for NHS laboratories....
It's still not known how many died in the volleys of gunfire.现在还不知道有多少人在枪林弹雨中身亡。Medical opinion varies on how many tablets it takes to overdose.医生对于服用多少药片算作过量意见不一。It's impossible to assess how many officers are...
R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.The results show that zinc acetate - stearic acyloxy has thermal stability and synerg...