n.变色，褪色，污染...

discolouration的音标：discolouration的英式发音音标为：[dɪskʌlə'reɪʃən]discolouration的美式发音音标为：[dɪskʌlə'reɪʃən]...

n.颜料，着色，色彩，染色...

colouration的音标：...

脱色...

decolouration的音标：decolouration的英式发音音标为：[di:kʌlə'reɪʃn]decolouration的美式发音音标为：[dikʌlə'reɪʃn]...

The mechanism of the surface colouration of the flame - retardant nylon product and its application are introduced.介绍阻燃尼龙制品表面着色的机理及其应用.The developments of technologies for plastics colouration with colour master - batche...

This discolouration is completely harmless.这种变色是完全无害的.Dual - action toothpaste with Xylitol and baking soda to remove stains and surface discolouration from teeth.这种双重作用的牙膏,含有木糖醇和小苏打,能清除牙齿表层的污垢和污色.Discolouration of silve...