impressionsn.观感，印象名词impression的复数形式.impressionn.印象；感觉；模仿n.印迹；印刷impression of postage stamp邮票花纹impressionable young people易受影响的年轻人impression tray for anterior前牙印模托盘impressions on an exhibition对展览会的印象impression surface of denture义齿印模面impressionistic transcription印象标音法impressions for cerebral gyri脑回压迹impression tray for anteriors前牙印模托盘impressionable young children易受影响的儿童impression of prepared cavity备好窝洞的印模