laser printers短语⁷⁷⁶⁰⁸ 基本例句 n.激光打印机原型laserprinter的复数 The figure is now about60%, and costs have dropped—the result of efforts to develop better laser printers, CD burners and even hair- removal devices. 现在这个数字已经变成了约60%，而且成本也降低了——这是为了发明更好的激光打印机，CD刻录机甚至脱毛工具而不断努力的结果。 ecocn