dumbness的音标：dumbness的英式发音音标为：[dʌmnəs]dumbness的美式发音音标为：[dʌmnəs]...

n.无言，沉默...

His dumbness means that he isn't interest in this kind of things.他的沉默表明他对这种事情不感兴趣.In particular, the dumbness would appear to be aggravated by stress.特别是, 压力会让沉默变得更为严重.We regard her dumbness as the acknowledgment.我们...