perfective是什么意思,perfective怎么读,
英式发音:[pəˈfektɪv] 美式发音:[pəˈfektɪv]
词根:perfect
adj.perfect 完美的;最好的;精通的
perfectible 可完成的;可使完美的
adv.perfectly 完美地;完全地;无瑕疵地
n.perfect 完成式
perfection 完善;完美
perfectionist 完美主义者,追求完美的人;至善论者
perfectibility 完全性;可改善性;可完美性
vt.perfect 使完美;使熟练
1.SIEMENS fully digital DC speed governing device has the characteristics consisted of single and expedient parameter installing and perfective functions.
西门子数字式直流调速装置具有参数设置简便、功能完善等特点。
4.Through the research, the majority of scholars th ought that "(?)" had the sense of progressive aspect and perfective aspect.
通过研究发现,大部分学者都认为“-(?)”具备了进行体和完成体的意义。
5.T here are cases, however, where these two forms are not interchangeable in that the present perfective progressive has also the meanings of continuousness, temporariness and incompleteness .
但是,由于现在完成进行体还带有进行体的持续性、暂时性和未完成性的含义,有时就不可以与现在完成体互换使用。比较。