蜂王浆是什么东西呢?相信有一些人对于蜂王浆不是很熟悉，蜂王浆又叫做蜂王乳，其实是蜜蜂在吃完花粉以后所分泌出来的一种乳状的物体。蜂王浆的营养价值和营养成分都非常的丰富，是一种常见的营养保健品。
If I have handle to file how do I create a document and write to it? Right now, I am having to delete the file completely and recreate with new content as shown below :
加载中,请稍侯......