tad dull是什么意思

dull 是什么意思? "dull" "guilty"分别是什么意思? Dull dull varnish在印刷中是什么意思? 求助,75D/36F full dull filament 是什么意思 trifle dull a loose fish,a cold fish,a dull fish,a poor fish分别是什么意思 windows7 3D旋转立方体桌面怎样开启?不是start+tad或ait+tad的 dull和bored区别 dull .positive 怎么读 silly,dull,foolish区别? Tad was a year younger than Dick,and he didn’t like water ,e