lose colour

• 失色,面无血色

lose colour的用法和样例：

例句

1. Wines heavily saturated with tannins will lose colour over time due to this polymerisation of anthocyannins and tannin.
   随着时间的推移，饱含单宁的酒也会失色，原因就在于花青素与单宁的这种聚合反应会导致单宁的沉淀。
2. Her eyes were shining brilliantly, but her face had lost its colour within twenty seconds.
   她的眼睛晶莹明亮，可是她的脸在二十秒钟之内却失色了。
3. The colour in this silk material will not fade.
   这种绸布料子不会褪色。
4. The colour of the red flag has been dulled by age.
   那面红旗因年深日久而褪色了。