Essay2

Yesterday morning and afternoon I and my classmate attended disquisitions witch are about semiconductor. Before we got into the chamber, we had to sign in at the reception desk. When we entered the chamber, all seats were occupied. So we were obliged to give up the first disquisition. On afternoon, we had seats at last, so we entertained earnest attitude to listen new knowledge about semiconductor chip. But after ten minutes, I felt very tired and want to doze off, because the disquisition is very recondite. Finally, I did not get any new knowledge from the disquisition.