negativesn.负数；否定名词negative的复数形式.negativeadj.否定的；消极的；负面的；负的n.否定；反面意见；底片；[数]负数vt.否定negative logic负逻辑negative voice反对意见；否认权negative check消极性抑制negative split负分段游negative float负浮动Negative serum阴性血清negative proof校正负片negative valve负载阀negative scope否定范围negative bevel负倾斜