其素材准备是制作多媒体课件的基础，直接关系到多媒体课件的质量。
The material preparation for producing multi-media courseware is its base and relates to the quality of the courseware.
抱歉，此时此刻我还没完全做好准备讨论我正创作的那些素材，他们会经常被修改、展开，当我对它们满意的时候我就会在这里说了。
Sorry but I am not yet ready to discuss the material I am working on at the moment as it's always changing and developing but when I am satisfied with it, then I will.
我正准备多花时间去研习课程提供的素材。
I am preparing to spend more time learning (course name) material.
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