fastness的复数形式为：fastnesses...

Disperse dyes are suitable for dyeing PU fiber, high uptake and satis factory fastnesses were observed.分散染料是氨纶染色的理想染料, 它具有较高的上染率和较好的染色牢度....

fastnesses的音标：...

n.牢固，固定，要塞，堡垒...

n.牢固( fastness的名词复数 )，固定，要塞，堡垒...

fastness的音标：fastness的英式发音音标为：['fɑ:stnəs]fastness的美式发音音标为：['fæstnəs]...

They could have withdrawn into the mountain fastness of Eryri.他们本可退到山中要塞埃利里去。The rebels have withdrawn to their mountain fastness for the winter.叛军撤至他们的山寨过冬.We guarantee the fastness of these dyes.我们担保这些颜料不褪色....

a mountain fastness山寨They could have withdrawn into the mountain fastness of Eryri.他们本可退到山中要塞埃利里去。The rebels have withdrawn to their mountain fastness for the winter.叛军撤至他们的山寨过冬.This process features simple operation, go...