quad n.(名词)A quadrangle:四方院,中庭:例句:cadets forming up in the barracks quad.军队学员在军营的院子里排着队
quadquad 2n.Printing (名词)【印刷术】 See quadrat 参见 quadrat
quadquad 3n.(名词)A quadruplet.四胞胎
quadquad 4adj.(形容词)Quadraphonic.四声道的,立体声的